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CheckWeather US›Utah›West Haven

West Haven weather

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West Haven weather alerts and warnings

active National Weather Service watches, warnings and advisories

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West Haven weather in numbers

from 30 years of measured normals

West Haven swings 78°F across the year, from 90°F highs in July to 12°F lows in December, and May is usually the wettest month in a year that brings about 19 in of precipitation.

Warmest month
July
90°F average high
Coldest month
December
12°F average low
Wettest month
May
19 in a year
Below freezing
5 months
January, February, March, November and December
Comfortable
2 months
September and October
Residents
12,000
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The weather map: all three models at once

NWS, American, European side by side around West Haven and nearby towns.Live rain radar →
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West Haven hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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West Haven 10-day forecast, out to 14 days

where the models agree, and where they split

West Haven, Utah (UT) is at its warmest in Jul (average highs near 90°F) and coldest in Dec (lows around 12°F), with roughly 19 in of precipitation across the year. Below, compare what NWS, American, European forecast for West Haven right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

West Haven climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
35°
19°
Feb
40°
20°
Mar
50°
29°
Apr
57°
32°
May
70°
42°
Jun
80°
51°
Jul
90°
58°
Aug
87°
59°
Sep
77°
48°
Oct
60°
34°
Nov
45°
24°
Dec
31°
12°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around West Haven has changed since 1995

West Haven sits in the same roughly 50 km square of NASA's reanalysis as Salt Lake City. That square ran 1.3°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Salt Lake City page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in West Haven today?
On this page we show what NWS, American, European each forecast for West Haven today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in West Haven today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for West Haven and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for West Haven?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the West Haven forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in West Haven?
July is typically the warmest month in West Haven, with average highs around 90°F.
How cold does West Haven get?
The coldest month in West Haven is December, when overnight lows average about 12°F.
How much rain does West Haven get?
West Haven sees roughly 19 in of precipitation a year, with May usually the wettest month.

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