Weather in Alta

14-day forecast · updated today, Thursday, October 29, at 10:00 am (CET)

Now · partly cloudy 38 °F

Feels like: 31 °F
Low / high: 33 / 40 °F
Rain: 0%
Wind: 9 mph SSE

→ 29.70 inHg · steady

Today in Alta: overcast, 33 °F to 40 °F, with a 0% chance of rain and a gentle breeze from the south-southeast (9 mph). Tomorrow, overcast, 33 °F to 40 °F and a 33% chance of rain. The warmest day of the week is Saturday 31, at 47 °F. Next likely rain: Saturday 31 (71%).

Measured now at the airport

Alta (ENAT), 2.1 mi away · 10 min ago

Visibility6.2 mi or more

WeatherNothing to note

Temperature43 °F

Wind14 mph from the south

It's what the airport's weather station measured, not a forecast: on the coast, wind and fog can be different. Airports report every 30 or 60 minutes.

Airport METAR report, via NOAA's Aviation Weather Center (aviationweather.gov). Sources and licenses

Temperatures for the next 14 days

40° 33°
Today
40° 33°
Fri 30
47° 37°
Sat 31
38° 35°
Sun 1
40° 37°
Mon 2
38° 32°
Tue 3
39° 30°
Wed 4
39° 36°
Thu 5
36° 28°
Fri 6
29° 26°
Sat 7
35° 27°
Sun 8
35° 30°
Mon 9
38° 29°
Tue 10
33° 27°
Wed 11

Day by day

Day	Sky	Low / high	Rain	Max wind	High tides	Model
Today · 29	Overcast	33 / 40 °F	0%	10 mph SSE	3:01 am · 3:27 pm	ICON-EU
Fri 30	Overcast	33 / 40 °F	33% · 0.01 in	4 mph SSE	3:51 am · 4:16 pm	ICON-EU
Sat 31	Light rain	37 / 47 °F	71% · 0.04 in	18 mph S	4:49 am · 5:13 pm	ICON-EU
Sun 1	Overcast	35 / 38 °F	22%	6 mph S	6:00 am · 6:23 pm	ICON-EU
Mon 2	Light rain	37 / 40 °F	78% · 0.06 in	9 mph S	7:25 am · 7:45 pm	ICON-EU
Tue 3	Light rain	32 / 38 °F	82% · 0.31 in	17 mph NW	8:50 am · 9:03 pm	ICON-EU + ECMWF
Wed 4	Light drizzle	30 / 39 °F	72% · 0.17 in	8 mph SE	10:02 am · 10:09 pm	ECMWF
Thu 5	Drizzle	36 / 39 °F	72% · 0.43 in	9 mph W	10:59 am · 11:03 pm	ECMWF
Fri 6	Snow	28 / 36 °F	66% · 0.25 in	4 mph NW	11:46 am · 11:50 pm	ECMWF
Sat 7	Snow	26 / 29 °F	65% · 0.21 in	4 mph S	12:26 pm	ECMWF
Sun 8	Snow	27 / 35 °F	54% · 0.40 in	10 mph WNW	12:31 am · 1:02 pm	ECMWF
Mon 9	Light snow	30 / 35 °F	37% · 0.19 in	4 mph SE	1:09 am · 1:35 pm	ECMWF
Tue 10	Light drizzle	29 / 38 °F	33% · 0.02 in	4 mph ESE	1:46 am · 2:08 pm	ECMWF
Wed 11	Overcast	27 / 33 °F	27%	6 mph SE	2:21 am · 2:40 pm	ECMWF

Each hour comes from the best model for this spot: ICON-EU until Tuesday 3 2:00 am; then ECMWF until Friday 13 4:00 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	Clear	Clear	Overcast	Mainly clear	Partly cloudy	Overcast	Partly cloudy	Overcast
Temperature	38°	37°	38°	38°	40°	38°	35°	34°
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)	6 S	6 SSE	8 SSE	8 SSE	10 SSE	6 SSE	4 S	3 S
Humidity	86%	87%	85%	87%	81%	84%	91%	92%
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?

Medium confidence

They broadly agree, but not quite on wind on Saturday 31: take it with some caution.

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	40°	41°	46°	40°	39°	38°	39°
AIFS	42°	45°	46°	42°	40°	38°	44°
GFS	42°	44°	45°	41°	41°	39°	45°
ICON	40°	42°	47°	39°	40°	38°	49°
ARPEGE	40°	42°	47°	39°	—	—	—
ICON-EU	40°	40°	47°	38°	40°	—	—
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	0.03 in	0.08 in	0	0.01 in	0.29 in	0.17 in
AIFS	0	0.05 in	0.13 in	0.05 in	0.14 in	0.20 in	0.35 in
GFS	0	0.03 in	0.04 in	0.00 in	0.17 in	0	0.28 in
ICON	0	0.00 in	0.04 in	0	0.01 in	0.07 in	0.26 in
ARPEGE	0	0.02 in	0.08 in	0	—	—	—
ICON-EU	0	0.01 in	0.04 in	0	0.06 in	—	—
Confidence	high	high	high	high	medium	medium	high

Do the models agree? · Wind
Wind (mph)	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	716	39	817	516	611	1719	819
AIFS	8	4	9	6	7	10	12
GFS	1214	67	1115	1821	2134	2232	4354
ICON	916	58	1732	712	917	1936	1323
ARPEGE	920	710	921	819	—	—	—
ICON-EU	1018	48	1839	612	917	—	—
Confidence	high	high	medium	high	high	medium	low

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%	33%	71%	22%	78%	82%	72%
GFS (GEFS, 31 scenarios)	0%	58%	61%	20%	68%	84%	77%

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: a bit warmer and normal rain.

Next 6 weeks

When	TemperatureTemp.	Rain	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	Well above +6.5 °F	Above +84%	—
Nov 9 – Nov 15Nov 9–Nov 15	Normal +0.4 °F	Normal	—
Nov 16 – Nov 22Nov 16–Nov 22	Normal −0.2 °F	Normal	19° / 15°
Nov 23 – Nov 29Nov 23–Nov 29	Normal 0.0 °F	Normal	19° / 14°
Nov 30 – Dec 6Nov 30–Dec 6	A bit above +1.4 °F	Normal	18° / 14°

Coming months

When	TemperatureTemp.	Rain
November	A bit above +2.3 °F	Normal
December	Above +3.2 °F	Normal
January	A bit above +1.8 °F	Normal
February	Normal −0.2 °F	Normal
March	A bit above +1.8 °F	Normal

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. The long-range sea temperature isn't usable at this spot (the model's grid cell falls on land).

Alta climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Alta is in July: highs of 63 °F, about 16 rainy days a month and 8 hours of sunshine a day.

26° 13°

JanJ
25° 13°

FebF
31° 18°

MarM
38° 26°

AprA
48° 37°

MayM
56° 45°

JunJ
63° 51°

JulJ
60° 49°

AugA
52° 42°

SepS
41° 33°

OctO
33° 24°

NovN
29° 18°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water
JanuaryJan	26°	13°	1.46 in	12	0.0	40°
FebruaryFeb	25°	13°	1.08 in	11	4.2	38°
MarchMar	31°	18°	1.13 in	13	6.9	37°
AprilApr	38°	26°	0.92 in	12	9.5	37°
MayMay	48°	37°	1.09 in	12	9.0	40°
JuneJun	56°	45°	1.56 in	16	8.8	45°
JulyJul	63°	51°	2.14 in	16	8.2	50°
AugustAug	60°	49°	1.82 in	15	5.5	51°
SeptemberSep	52°	42°	1.66 in	14	3.7	48°
OctoberOct	41°	33°	1.59 in	15	2.5	46°
NovemberNov	33°	24°	1.19 in	11	0.0	44°
DecemberDec	29°	18°	1.39 in	13	0.0	42°

Month	Water
Jan	40°
Feb	38°
Mar	37°
Apr	37°
May	40°
Jun	45°
Jul	50°
Aug	51°
Sep	48°
Oct	46°
Nov	44°
Dec	42°

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

A normal year brings 17.03 in of rain on about 158 days and about 1,750 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

Now38 °Ffeels like 31 °F

Tomorrow33 / 40 °F

It's 38 °F now (feels like 31 °F). Today, 33 °F to 40 °F; tomorrow, 33 °F to 40 °F.

Chance of rain

Today 0%
Fri 30 33% 0.01 in
Sat 31 71% 0.04 in
Sun 1 22%
Mon 2 78% 0.06 in
Tue 3 82% 0.31 in
Wed 4 72% 0.17 in

Today the chance of rain reaches 0%. The next day with likely rain is Saturday 31: 71% and 0.04 in.

Recent rain: last 24 hours, 0.00 in; last 3 days, 0.02 in; last 7 days, 0.02 in.

Humidity and dew point

Humidity85%

Dew point35 °F

Humidity is 85% now and the dew point is 35 °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

Now17 migood

Clouds76%

Visibility is good now (17 mi). No fog expected today.

The model gives visibility up to about 15 mi: beyond that, the horizon is clear.

UV index

Now0

Today's peak0low

Fri 30: 0 · Sat 31: 0 · Sun 1: 0

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

29.5030.00 30.28

Steady now (+0.01 inHg in 3 hours). Over the next 48 hours: +0.37 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityGood · 13

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	40 / 47 °F	0.05 in	11 mph SE
Tue 27	Light drizzle	38 / 49 °F	0.01 in	10 mph SSE
Mon 26	Overcast	45 / 49 °F	0	12 mph SSE
Sun 25	Overcast	42 / 46 °F	0	13 mph SSE
Sat 24	Overcast	44 / 46 °F	0	11 mph SSE
Fri 23	Overcast	45 / 49 °F	0	13 mph SSE
Thu 22	Overcast	36 / 48 °F	0	12 mph SE

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Wed 21	Partly cloudy	35 / 40 °F	0	12 mph SE
Tue 20	Light drizzle	42 / 51 °F	0.09 in	6 mph ESE
Mon 19	Light rain	40 / 50 °F	0.54 in	11 mph SE
Sun 18	Light drizzle	33 / 41 °F	0.06 in	7 mph SE
Sat 17	Light drizzle	34 / 39 °F	0.06 in	6 mph SW
Fri 16	Light drizzle	39 / 47 °F	0.01 in	10 mph SSE
Thu 15	Light drizzle	37 / 44 °F	0.05 in	12 mph SSE
Wed 14	Light drizzle	35 / 39 °F	0.02 in	18 mph SSE
Tue 13	Overcast	28 / 37 °F	0	18 mph SSE
Mon 12	Overcast	28 / 38 °F	0	5 mph SE
Sun 11	Light drizzle	32 / 39 °F	0.01 in	3 mph S
Sat 10	Light drizzle	33 / 37 °F	0.18 in	9 mph NNW
Fri 9	Light drizzle	33 / 38 °F	0.14 in	2 mph NE
Thu 8	Light drizzle	36 / 41 °F	0.19 in	5 mph WNW
Wed 7	Heavy drizzle	40 / 43 °F	0.65 in	13 mph NW
Tue 6	Heavy drizzle	44 / 47 °F	0.46 in	13 mph NW
Mon 5	Light drizzle	44 / 50 °F	0.05 in	9 mph SE
Sun 4	Overcast	43 / 52 °F	0	9 mph SE
Sat 3	Light drizzle	42 / 52 °F	0.08 in	9 mph SE
Fri 2	Overcast	40 / 51 °F	0	9 mph SE
Thu 1	Overcast	37 / 48 °F	0	6 mph SE
Wed 30	Light drizzle	41 / 49 °F	0.05 in	6 mph ENE
Tue 29	Light drizzle	44 / 55 °F	0.05 in	6 mph S

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 AltaQuestions

What's the weather like today in Alta?

Overcast, from 33 °F to 40 °F, with a gentle breeze from the south-southeast (9 mph) and a 0% chance of rain.

Will it rain tomorrow in Alta?

On Friday 30 the chance of rain is 33% (0.01 in): overcast.

How warm will it be this week?

Between a low of 30 °F and a high of 47 °F; the warmest day, Saturday 31.

What's the UV index today?

It reaches 0 (low). No special protection needed.

Is the pressure rising or falling?

It's 29.70 inHg and steady: +0.18 inHg over the last 24 hours.

When is the best time to visit Alta?

The best time to visit Alta is in July: highs of 63 °F, about 16 rainy days a month and 8 hours of sunshine a day.

What is the weather like in Alta in October?

In October, Alta normally sees highs of 41 °F and lows of 33 °F, with about 15 rainy days (1.59 in for the month) and 3 hours of sunshine a day. The sea is around 46 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Alta?

The warmest is July, with average highs of 63 °F, and the coldest February, with lows of 13 °F. The wettest is July (2.14 in) and the driest, April.

More about Alta today

Weather near Alta

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 2.2 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 10:00 am (local time).

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