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CheckWeather USWest Valley

West Valley weather

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NWSNational Blend (NBM)
65°
Partly cloudy
Feels 63° · Wind 4 mph · Humidity 61%
AmericanNOAA GFS
63°
Mainly clear
Feels 63° · Wind 3 mph · Humidity 66%
EuropeanECMWF
65°
Partly cloudy
Feels 62° · Wind 3 mph · Humidity 49%

Latest for West Valley: NWS (National Blend (NBM)): 65° Partly cloudy · American (NOAA GFS): 63° Mainly clear · European (ECMWF): 65° Partly cloudy.

The weather map: all three models at once

NWS, American, European side by side around West Valley and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

West Valley, WA is at its warmest in Jul (average highs near 94°F) and coldest in Jan (lows around 25°F), with roughly 15 in of precipitation across the year. Below, compare what NWS, American, European forecast for West Valley 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 Valley climate by month

average daytime high and overnight low across a typical year
Jan
37°
25°
Feb
45°
28°
Mar
51°
31°
Apr
60°
38°
May
75°
49°
Jun
81°
55°
Jul
94°
62°
Aug
89°
61°
Sep
80°
54°
Oct
64°
41°
Nov
46°
33°
Dec
40°
30°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 mph4972% 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.

Common questions

What's the weather in West Valley today?
On this page we show what NWS, American, European each forecast for West Valley 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 Valley today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for West Valley 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 Valley?
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 Valley 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 Valley?
July is typically the warmest month in West Valley, with average highs around 94°F.
How cold does West Valley get?
The coldest month in West Valley is January, when overnight lows average about 25°F.
How much rain does West Valley get?
West Valley sees roughly 15 in of precipitation a year, with December usually the wettest month.

Nearby

More US weather