Weather in Old Saybrook

14-day forecast · updated today, Wednesday, October 28, at 11:36 pm (EDT)

Now · clear 47 °F

Feels like: 43 °F
Low / high: 37 / 59 °F
Rain: 0%
Wind: 4 mph SSW

↘ 30.34 inHg · falling

Today in Old Saybrook: overcast, 37 °F to 59 °F, with a 0% chance of rain and a light breeze from the south-southwest (4 mph). Tomorrow, clear sky, 47 °F to 64 °F and a 1% chance of rain. The warmest day of the week is Friday 30, at 68 °F. Next likely rain: Wednesday 4 (25%).

Temperatures for the next 14 days

59° 37°
Today
64° 47°
Thu 29
68° 46°
Fri 30
58° 39°
Sat 31
60° 37°
Sun 1
64° 45°
Mon 2
64° 47°
Tue 3
64° 49°
Wed 4
65° 51°
Thu 5
64° 50°
Fri 6
61° 46°
Sat 7
59° 39°
Sun 8
57° 35°
Mon 9
57° 35°
Tue 10

Day by day

Day	Sky	Low / high	Rain	Max wind	Max wave	High tides	Model
Today · 28	Overcast	37 / 59 °F	0%	7 mph NNE	0.9 ft	12:06 am · 12:28 pm	HRRR
Thu 29	Clear sky	47 / 64 °F	1%	11 mph SW	1.6 ft	12:57 am · 1:22 pm	HRRR + NBM
Fri 30	Mainly clear	46 / 68 °F	6%	10 mph WNW	1.9 ft	1:54 am · 2:23 pm	NBM
Sat 31	Partly cloudy	39 / 58 °F	0%	7 mph NNW	1.2 ft	2:57 am · 3:27 pm	NBM
Sun 1	Partly cloudy	37 / 60 °F	1%	6 mph WSW	0.9 ft	3:03 am · 3:32 pm	NBM
Mon 2	Overcast	45 / 64 °F	5%	6 mph WSW	0.8 ft	4:13 am · 4:41 pm	NBM
Tue 3	Overcast	47 / 64 °F	12%	6 mph E	1.2 ft	5:24 am · 5:46 pm	NBM
Wed 4	Overcast	49 / 64 °F	25% · 0.06 in	9 mph ESE	1.2 ft	6:26 am · 6:43 pm	NBM
Thu 5	Overcast	51 / 65 °F	33% · 0.55 in	10 mph ESE	0.8 ft	7:16 am · 7:32 pm	NBM
Fri 6	Light rain	50 / 64 °F	35% · 0.67 in	10 mph ESE	1.6 ft	8:01 am · 8:18 pm	NBM
Sat 7	Rain	46 / 61 °F	31% · 0.27 in	10 mph NNW	2.9 ft	8:43 am · 9:02 pm	NBM
Sun 8	Partly cloudy	39 / 59 °F	22% · 0.08 in	8 mph NNW	2.1 ft	9:23 am · 9:45 pm	NBM + ECMWF
Mon 9	Clear sky	35 / 57 °F	21%	7 mph NNW	1.0 ft	10:03 am · 10:28 pm	ECMWF
Tue 10	Overcast	35 / 57 °F	12%	7 mph NE	1.3 ft	10:44 am · 11:11 pm	ECMWF

Each hour comes from the best model for this spot: HRRR until Thursday 29 6:00 pm; then NBM until Sunday 8 8:00 pm; then ECMWF until Thursday 12 10:00 am; then GFS.

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.

Today, every 3 hours

Time	12:00 am	3:00 am	6:00 am	9:00 am	12:00 pm	3:00 pm	6:00 pm	9:00 pm
Sky	Partly cloudy	Clear	Mainly clear	Overcast	Overcast	Overcast	Overcast	Mainly clear
Temperature	40°	38°	37°	43°	57°	57°	52°	48°
Chance of rain	0%	0%	0%	0%	0%	0%	0%	0%
Rain	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in
Wind (mph)	4 NNW	5 N	5 N	7 N	2 WSW	4 S	3 SE	3 SSE
Humidity	84%	71%	64%	53%	44%	56%	65%	80%
UV	0	0	0	1	3	1	0	0
Model	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR

Do the models agree?

High confidence

The models agree for the next few days: the forecast is fairly solid.

What 6 forecast models say for the next few days. The closer they are, the more reliable the forecast.

HighRainWind

Do the models agree? · High
High (°F)	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	59°	64°	66°	54°	57°	65°	67°
AIFS	58°	67°	67°	57°	59°	68°	71°
GFS	54°	63°	69°	55°	57°	62°	62°
ICON	57°	64°	68°	55°	61°	66°	67°
HRRR	59°	64°	63°	—	—	—	—
NBM	58°	65°	68°	58°	60°	64°	64°
Confidence	high	high	high	high	high	high	high

Do the models agree? · Rain
Rain	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	0	0	0	0	0	0	0
AIFS	0	0	0	0	0	0	0
GFS	0	0	0	0	0	0	0
ICON	0	0	0	0	0	0	0
HRRR	0	0	0	—	—	—	—
NBM	0	0	0	0	0	0	0
Confidence	high	high	high	high	high	high	high

Do the models agree? · Wind
Wind (mph)	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	711	1024	1329	923	621	919	1219
AIFS	8	10	13	9	5	7	9
GFS	89	1324	1930	1326	916	1422	1419
ICON	411	923	1230	719	820	822	923
HRRR	714	1126	1531	—	—	—	—
NBM	510	816	1020	717	611	613	615
Confidence	high	high	high	high	high	high	high

Chance of rain from the ensemble models

Model	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF (51 scenarios)	0%	0%	4%	0%	0%	5%	16%
GFS (GEFS, 31 scenarios)	0%	0%	10%	0%	0%	14%	26%
NBM (NOAA)	0%	1%	6%	0%	1%	5%	12%
Thunderstorm (NBM)	0%	0%	1%	0%	0%	1%	1%

Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.

Outlook

How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.

Next few weeks, compared with normal: warmer, normal rain and a slightly warmer sea.

Next 6 weeks

When	TemperatureTemp.	Rain	Sea	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	Above +5.0 °F	A bit above +43%	A bit above +1.4 °F	—
Nov 9 – Nov 15Nov 9–Nov 15	A bit above +1.3 °F	Normal	Above +1.8 °F	53° / 47°
Nov 16 – Nov 22Nov 16–Nov 22	A bit above +2.2 °F	Normal	Above +1.8 °F	52° / 46°
Nov 23 – Nov 29Nov 23–Nov 29	A bit above +2.3 °F	A bit above +30%	Above +1.8 °F	49° / 45°
Nov 30 – Dec 6Nov 30–Dec 6	A bit above +1.8 °F	A bit above +21%	A bit above +1.4 °F	47° / 42°

Coming months

When	TemperatureTemp.	Rain	Sea
November	A bit above +1.1 °F	A bit above +26%	A bit above +0.9 °F
December	A bit above +2.5 °F	A bit above +30%	Above +1.8 °F
January	Above +3.6 °F	A bit above +38%	Above +2.5 °F
February	Above +2.9 °F	A bit above +31%	Above +2.7 °F
March	Above +2.9 °F	A bit above +25%	Above +2.5 °F

Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give.

Old Saybrook climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Old Saybrook is from June to September: highs of 74 °F to 83 °F, about 9 rainy days a month and 7 hours of sunshine a day.

Hurricane season: from July to September. In the last 30 years (1996–2025), 9 tropical cyclones passed within 93 mi of Old Saybrook, about 3 every 10 years. The most recent: Henri, in August 2021.

38° 22°

JanJ
40° 22°

FebF
47° 30°

MarM
58° 38°

AprA
68° 47°

MayM
77° 57°

JunJ
83° 63°

JulJ
81° 63°

AugA
74° 55°

SepS
64° 44°

OctO
53° 36°

NovN
43° 28°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Waves	Cyclones
JanuaryJan	38°	22°	3.77 in	8	3.6	41°	2.8 ft	–
FebruaryFeb	40°	22°	3.44 in	7	4.8	38°	2.6 ft	–
MarchMar	47°	30°	4.56 in	8	5.4	39°	2.5 ft	–
AprilApr	58°	38°	4.39 in	9	6.1	44°	2.4 ft	–
MayMay	68°	47°	3.64 in	9	6.6	52°	1.9 ft	–
JuneJun	77°	57°	4.20 in	9	7.3	62°	1.6 ft	1
JulyJul	83°	63°	3.79 in	9	7.9	69°	1.5 ft	3
AugustAug	81°	63°	3.91 in	9	7.3	71°	1.6 ft	3
SeptemberSep	74°	55°	4.02 in	8	6.0	69°	2.1 ft	2
OctoberOct	64°	44°	4.69 in	8	4.6	63°	2.6 ft	–
NovemberNov	53°	36°	4.12 in	7	3.7	55°	2.7 ft	–
DecemberDec	43°	28°	4.69 in	9	3.2	47°	2.7 ft	–

Month	Water	Waves	Cyclones
Jan	41°	2.8 ft	–
Feb	38°	2.6 ft	–
Mar	39°	2.5 ft	–
Apr	44°	2.4 ft	–
May	52°	1.9 ft	–
Jun	62°	1.6 ft	1
Jul	69°	1.5 ft	3
Aug	71°	1.6 ft	3
Sep	69°	2.1 ft	2
Oct	63°	2.6 ft	–
Nov	55°	2.7 ft	–
Dec	47°	2.7 ft	–

Days: rainy days in the month. Sun: hours a day.

A normal year brings 49.22 in of rain on about 100 days and about 2,000 hours of sunshine.

Cyclones: how many tropical cyclones (tropical storms, hurricanes and typhoons) passed within 93 mi in each month from 1996 to 2025, according to IBTrACS (NOAA).

1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses

Temperature

Now47 °Ffeels like 43 °F

Tomorrow47 / 64 °F

It's 47 °F now (feels like 43 °F). Today, 37 °F to 59 °F; tomorrow, 47 °F to 64 °F.

Chance of rain

Today 0%
Thu 29 1%
Fri 30 6%
Sat 31 0%
Sun 1 1%
Mon 2 5%
Tue 3 12%

Today the chance of rain reaches 0%. The next day with likely rain is Wednesday 4: 25% and 0.06 in.

No rain in the last 7 days.

Humidity and dew point

Humidity79%

Dew point41 °F

Humidity is 79% now and the dew point is 41 °F.

The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.

Visibility and fog

Now8.8 migood

Clouds0%

Visibility is good now (8.8 mi). No fog expected today.

UV index

Now0

Today's peak3moderate

Thu 29: 3 · Fri 30: 3 · Sat 31: 3

Index	Level	What to do
0–2	low	No special protection needed.
3–5	moderate	Hat, sunglasses and sunscreen around midday.
6–7	high	Sunscreen, hat and shade between 12 and 4 pm.
8–10	very high	Avoid the midday sun; reflection off the water adds to it.
11+	extreme	Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy.

Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.

Barometric pressure

↗ Rising Anglers say fish bite less for a while
→ Steady Anglers expect normal activity
↘ Falling · now Anglers say fish feed more before the change

30.0030.2030.40 29.99

Falling now (−0.06 inHg in 3 hours). Over the next 48 hours: −0.11 inHg. Falling pressure: anglers say fish feed more before the change. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityGood · 33

Saharan dustNo

Previous days

The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.

Day	Sky	Low / high	Max wind
Tue 27	Partly cloudy	44 / 58 °F	11 mph N
Mon 26	Clear sky	40 / 68 °F	11 mph WNW
Sun 25	Mainly clear	36 / 65 °F	7 mph WNW
Sat 24	Overcast	35 / 60 °F	7 mph NW
Fri 23	Mainly clear	42 / 59 °F	12 mph N
Thu 22	Overcast	45 / 65 °F	13 mph N
Wed 21	Overcast	46 / 61 °F	13 mph NNE

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Tue 20	Overcast	43 / 67 °F	0	12 mph NNE
Mon 19	Clear sky	38 / 64 °F	0	7 mph NE
Sun 18	Clear sky	36 / 58 °F	0	8 mph N
Sat 17	Light drizzle	41 / 61 °F	0.08 in	14 mph NNW
Fri 16	Light rain	52 / 70 °F	0.40 in	13 mph SSW
Thu 15	Overcast	51 / 65 °F	0	13 mph NNW
Wed 14	Overcast	61 / 78 °F	0	14 mph W
Tue 13	Overcast	56 / 65 °F	0	11 mph SSE
Mon 12	Drizzle	53 / 69 °F	0.06 in	10 mph N
Sun 11	Rain	48 / 58 °F	1.42 in	12 mph E
Sat 10	Overcast	49 / 65 °F	0	8 mph NNW
Fri 9	Overcast	49 / 69 °F	0	14 mph WNW
Thu 8	Partly cloudy	55 / 73 °F	0	11 mph WSW
Wed 7	Mainly clear	42 / 64 °F	0	10 mph SSW
Tue 6	Clear sky	46 / 60 °F	0	11 mph NW
Mon 5	Light drizzle	53 / 70 °F	0.01 in	14 mph NW
Sun 4	Light drizzle	50 / 63 °F	0.05 in	9 mph ENE
Sat 3	Overcast	56 / 72 °F	0	10 mph NNE
Fri 2	Light drizzle	65 / 81 °F	0.05 in	12 mph SW
Thu 1	Overcast	59 / 75 °F	0	9 mph SW
Wed 30	Overcast	58 / 69 °F	0	6 mph NW
Tue 29	Overcast	54 / 68 °F	0	8 mph NW
Mon 28	Rain	56 / 60 °F	0.92 in	16 mph NNE

These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.

Questions about the weather in Old SaybrookQuestions

What's the weather like today in Old Saybrook?

Overcast, from 37 °F to 59 °F, with a light breeze from the south-southwest (4 mph) and a 0% chance of rain.

Will it rain tomorrow in Old Saybrook?

On Thursday 29 the chance of rain is 1% (0.00 in): clear sky.

How warm will it be this week?

Between a low of 37 °F and a high of 68 °F; the warmest day, Friday 30.

What's the UV index today?

It reaches 3 (moderate). Hat, sunglasses and sunscreen around midday.

Is the pressure rising or falling?

It's 30.34 inHg and falling: −0.07 inHg over the last 24 hours.

When is the best time to visit Old Saybrook?

The best time to visit Old Saybrook is from June to September: highs of 74 °F to 83 °F, about 9 rainy days a month and 7 hours of sunshine a day.

What is the weather like in Old Saybrook in October?

In October, Old Saybrook normally sees highs of 64 °F and lows of 44 °F, with about 8 rainy days (4.69 in for the month) and 5 hours of sunshine a day. The sea is around 63 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Old Saybrook?

The warmest is July, with average highs of 83 °F, and the coldest January, with lows of 22 °F. The wettest is October (4.69 in) and the driest, February.

When is hurricane season in Old Saybrook?

Hurricane season: from July to September. In the last 30 years (1996–2025), 9 tropical cyclones passed within 93 mi of Old Saybrook, about 3 every 10 years. The most recent: Henri, in August 2021.

More about Old Saybrook today

Weather near Old Saybrook

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 16 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 11:36 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from