Weather in Nynäshamn

14-day forecast · updated today, Thursday, October 29, at 3:21 am (CET)

Now · clear 44 °F

Feels like: 41 °F
Low / high: 44 / 51 °F
Rain: 0% · 0.00 in
Wind: 3 mph SW

→ 30.16 inHg · steady

Today in Nynäshamn: light rain, 44 °F to 51 °F, with a 0% chance of rain (0.00 in) and a light air from the southwest (3 mph). Tomorrow, partly cloudy, 43 °F to 53 °F and a 0% chance of rain. The warmest day of the week is Friday 30, at 53 °F. Next likely rain: Sunday 1 (29%).

Temperatures for the next 14 days

51° 44°
Today
53° 43°
Fri 30
48° 41°
Sat 31
48° 43°
Sun 1
45° 39°
Mon 2
49° 35°
Tue 3
42° 33°
Wed 4
50° 39°
Thu 5
48° 37°
Fri 6
45° 35°
Sat 7
44° 34°
Sun 8
40° 29°
Mon 9
38° 29°
Tue 10
46° 39°
Wed 11

Day by day

Day	Sky	Low / high	Rain	Max wind	Max wave	Model
Today · 29	Light rain	44 / 51 °F	0% · 0.00 in	8 mph WSW	1.5 ft	ICON-EU
Fri 30	Partly cloudy	43 / 53 °F	0%	6 mph NW	1.2 ft	ICON-EU
Sat 31	Overcast	41 / 48 °F	0%	5 mph N	0.9 ft	ICON-EU
Sun 1	Light rain	43 / 48 °F	29% · 0.06 in	6 mph SW	1.7 ft	ICON-EU
Mon 2	Light rain	39 / 45 °F	26% · 0.11 in	10 mph N	1.2 ft	ICON-EU + ECMWF
Tue 3	Overcast	35 / 49 °F	0%	11 mph NW	1.3 ft	ECMWF
Wed 4	Overcast	33 / 42 °F	0%	9 mph NW	1.2 ft	ECMWF
Thu 5	Partly cloudy	39 / 50 °F	2%	10 mph NW	0.9 ft	ECMWF
Fri 6	Overcast	37 / 48 °F	0%	10 mph WNW	1.2 ft	ECMWF
Sat 7	Overcast	35 / 45 °F	6%	9 mph WNW	1.6 ft	ECMWF
Sun 8	Overcast	34 / 44 °F	4%	11 mph WNW	3.0 ft	ECMWF
Mon 9	Partly cloudy	29 / 40 °F	12%	9 mph NW	1.8 ft	ECMWF
Tue 10	Overcast	29 / 38 °F	17%	4 mph NNW	1.0 ft	ECMWF
Wed 11	Light drizzle	39 / 46 °F	24% · 0.02 in	6 mph SSE	2.6 ft	ECMWF

Each hour comes from the best model for this spot: ICON-EU until Monday 2 8:00 pm; then ECMWF until Thursday 12 4:00 pm; 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.

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	Mainly clear	Clear	Mainly clear	Overcast	Overcast	Partly cloudy	Partly cloudy	Mainly clear
Temperature	45°	44°	44°	48°	49°	50°	47°	45°
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)	3 SW	3 SW	4 SW	7 SW	8 WSW	5 SW	4 W	4 W
Humidity	94%	94%	96%	92%	89%	91%	94%	95%
UV	0	0	0	0	0	0	0	0
Model	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU

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	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	51°	52°	48°	49°	46°	49°	42°
AIFS	51°	51°	45°	47°	46°	47°	48°
GFS	52°	51°	49°	47°	45°	45°	50°
ICON	50°	53°	48°	48°	45°	46°	50°
ARPEGE	50°	51°	48°	48°	—	—	—
ICON-EU	51°	53°	48°	48°	45°	—	—
Confidence	high	high	high	high	high	high	medium

Do the models agree? · Rain
Rain	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	0	0	0	0.04 in	0.08 in	0	0
AIFS	0	0	0	0.06 in	0.04 in	0	0
GFS	0	0	0	0.09 in	0	0	0
ICON	0	0	0	0.06 in	0.08 in	0	0
ARPEGE	0	0	0	0	—	—	—
ICON-EU	0.00 in	0	0	0.06 in	0.11 in	—	—
Confidence	high	high	high	high	high	high	high

Do the models agree? · Wind
Wind (mph)	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	1020	919	916	1126	1133	1133	922
AIFS	11	10	9	12	13	12	10
GFS	921	817	714	1323	1430	925	1130
ICON	817	715	613	613	917	919	715
ARPEGE	1318	1320	914	2028	—	—	—
ICON-EU	819	615	513	614	817	—	—
Confidence	high	high	high	high	high	high	high

Chance of rain from the ensemble models

Model	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF (51 scenarios)	0%	0%	0%	29%	26%	0%	0%
GFS (GEFS, 31 scenarios)	0%	0%	0%	48%	44%	3%	3%

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: normal temperatures, normal rain and a slightly warmer sea.

Next 6 weeks

When	TemperatureTemp.	Rain	Sea	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	A bit below −1.1 °F	Below −86%	Above +1.8 °F	—
Nov 9 – Nov 15Nov 9–Nov 15	Normal −0.7 °F	Normal	A bit above +1.3 °F	—
Nov 16 – Nov 22Nov 16–Nov 22	Normal +0.2 °F	A bit above +28%	A bit above +0.9 °F	42° / 40°
Nov 23 – Nov 29Nov 23–Nov 29	Normal +0.5 °F	A bit above +31%	A bit above +1.1 °F	41° / 39°
Nov 30 – Dec 6Nov 30–Dec 6	Normal +0.2 °F	Normal	A bit above +1.1 °F	39° / 37°

Coming months

When	TemperatureTemp.	Rain	Sea
November	A bit above +1.3 °F	Normal	Above +1.8 °F
December	Above +3.1 °F	A bit above +23%	Above +2.2 °F
January	A bit above +0.9 °F	Normal	Above +1.8 °F
February	Normal +0.4 °F	Normal	A bit above +1.1 °F
March	A bit above +1.3 °F	Normal	A bit above +1.1 °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.

Nynäshamn climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Nynäshamn is from July to August: highs of 70 °F, about 9 rainy days a month and 9 hours of sunshine a day.

35° 26°

JanJ
35° 25°

FebF
39° 29°

MarM
47° 33°

AprA
57° 41°

MayM
65° 50°

JunJ
70° 56°

JulJ
70° 56°

AugA
61° 49°

SepS
51° 42°

OctO
43° 36°

NovN
38° 30°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Waves
JanuaryJan	35°	26°	1.56 in	7	1.2	38°	2.2 ft
FebruaryFeb	35°	25°	1.22 in	7	2.4	36°	2.0 ft
MarchMar	39°	29°	1.10 in	6	6.3	35°	1.7 ft
AprilApr	47°	33°	1.12 in	6	7.7	38°	1.3 ft
MayMay	57°	41°	1.28 in	6	9.4	45°	1.2 ft
JuneJun	65°	50°	2.19 in	7	10.3	54°	1.2 ft
JulyJul	70°	56°	2.04 in	8	9.9	61°	1.1 ft
AugustAug	70°	56°	2.24 in	9	8.1	63°	1.3 ft
SeptemberSep	61°	49°	1.96 in	7	6.0	57°	1.6 ft
OctoberOct	51°	42°	2.32 in	9	2.8	50°	2.0 ft
NovemberNov	43°	36°	2.39 in	9	0.9	45°	2.1 ft
DecemberDec	38°	30°	2.22 in	9	0.5	41°	2.4 ft

Month	Water	Waves
Jan	38°	2.2 ft
Feb	36°	2.0 ft
Mar	35°	1.7 ft
Apr	38°	1.3 ft
May	45°	1.2 ft
Jun	54°	1.2 ft
Jul	61°	1.1 ft
Aug	63°	1.3 ft
Sep	57°	1.6 ft
Oct	50°	2.0 ft
Nov	45°	2.1 ft
Dec	41°	2.4 ft

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

A normal year brings 21.64 in of rain on about 91 days and about 2,000 hours of sunshine.

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

Now44 °Ffeels like 41 °F

Tomorrow43 / 53 °F

It's 44 °F now (feels like 41 °F). Today, 44 °F to 51 °F; tomorrow, 43 °F to 53 °F.

Chance of rain

Today 0% 0.00 in
Fri 30 0%
Sat 31 0%
Sun 1 29% 0.06 in
Mon 2 26% 0.11 in
Tue 3 0%
Wed 4 0%

Today the chance of rain reaches 0%, with 0.00 in in total. The next day with likely rain is Sunday 1: 29% and 0.06 in.

Recent rain: last 24 hours, 0.00 in; last 3 days, 0.10 in; last 7 days, 0.81 in.

Humidity and dew point

Humidity94%

Dew point42 °F

Humidity is 94% now and the dew point is 42 °F. The temperature is very close to the dew point: fog may form.

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

Visibility and fog

Now11 migood

Clouds10%

Visibility is good now (11 mi). No fog expected today.

UV index

Now0

Today's peak1low

Fri 30: 1 · Sat 31: 1 · Sun 1: 1

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 · now Anglers expect normal activity
↘ Falling Anglers say fish feed more before the change

30.0030.2030.40 30.41

Steady now (+0.01 inHg in 3 hours). Over the next 48 hours: +0.27 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityGood · 18

PollenNoneToday, at most none.

Pollen: Copernicus CAMS model (a rough guide, not a pollen trap). Levels use each type's usual thresholds.

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	Rain	Max wind
Wed 28	Light drizzle	44 / 54 °F	0.02 in	17 mph SW
Tue 27	Light drizzle	48 / 53 °F	0.01 in	19 mph SSW
Mon 26	Light drizzle	49 / 53 °F	0.11 in	23 mph SSW
Sun 25	Drizzle	47 / 52 °F	0.26 in	25 mph S
Sat 24	Drizzle	47 / 53 °F	0.12 in	17 mph SSE
Fri 23	Drizzle	47 / 54 °F	0.25 in	15 mph S
Thu 22	Light drizzle	53 / 55 °F	0.07 in	18 mph SE

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Wed 21	Light drizzle	51 / 54 °F	0.02 in	17 mph SE
Tue 20	Light drizzle	33 / 51 °F	0.01 in	12 mph ENE
Mon 19	Overcast	33 / 51 °F	0	5 mph N
Sun 18	Overcast	35 / 50 °F	0	8 mph NNW
Sat 17	Light drizzle	39 / 55 °F	0.02 in	14 mph NNW
Fri 16	Drizzle	54 / 58 °F	0.13 in	15 mph SSW
Thu 15	Overcast	39 / 55 °F	0	16 mph SW
Wed 14	Light rain	45 / 52 °F	0.28 in	19 mph WSW
Tue 13	Overcast	38 / 50 °F	0	15 mph WSW
Mon 12	Drizzle	42 / 50 °F	0.09 in	12 mph N
Sun 11	Heavy drizzle	45 / 50 °F	0.43 in	8 mph ENE
Sat 10	Light rain	39 / 46 °F	0.28 in	11 mph NNE
Fri 9	Light rain	44 / 55 °F	0.59 in	20 mph NW
Thu 8	Drizzle	49 / 59 °F	0.15 in	12 mph SE
Wed 7	Overcast	44 / 58 °F	0	10 mph W
Tue 6	Mainly clear	52 / 61 °F	0	19 mph W
Mon 5	Light drizzle	53 / 62 °F	0.06 in	20 mph WSW
Sun 4	Overcast	53 / 60 °F	0	12 mph WSW
Sat 3	Overcast	50 / 64 °F	0	10 mph WSW
Fri 2	Overcast	56 / 62 °F	0	11 mph SSE
Thu 1	Mainly clear	55 / 62 °F	0	12 mph SE
Wed 30	Light drizzle	51 / 60 °F	0.01 in	10 mph E
Tue 29	Overcast	51 / 64 °F	0	12 mph NNW

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 NynäshamnQuestions

What's the weather like today in Nynäshamn?

Light rain, from 44 °F to 51 °F, with a light air from the southwest (3 mph) and a 0% chance of rain.

Will it rain tomorrow in Nynäshamn?

On Friday 30 the chance of rain is 0% (0.00 in): partly cloudy.

How warm will it be this week?

Between a low of 33 °F and a high of 53 °F; the warmest day, Friday 30.

What's the UV index today?

It reaches 1 (low). No special protection needed.

Is the pressure rising or falling?

It's 30.16 inHg and steady: +0.17 inHg over the last 24 hours.

When is the best time to visit Nynäshamn?

The best time to visit Nynäshamn is from July to August: highs of 70 °F, about 9 rainy days a month and 9 hours of sunshine a day.

What is the weather like in Nynäshamn in October?

In October, Nynäshamn normally sees highs of 51 °F and lows of 42 °F, with about 9 rainy days (2.32 in for the month) and 3 hours of sunshine a day. The sea is around 50 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Nynäshamn?

The warmest is July, with average highs of 70 °F, and the coldest February, with lows of 25 °F. The wettest is November (2.39 in) and the driest, March.

More about Nynäshamn today

Weather near Nynäshamn

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 6.9 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 3:21 am (local time).

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