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Gridley weather

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NWSNational Blend (NBM)
48°
Clear
Feels 41° · Wind 11 mph · Humidity 67%
AmericanNOAA GFS
51°
Clear
Feels 42° · Wind 13 mph · Humidity 52%
EuropeanECMWF
52°
Clear
Feels 44° · Wind 10 mph · Humidity 52%

Latest for Gridley: NWS (National Blend (NBM)): 48° Clear · American (NOAA GFS): 51° Clear · European (ECMWF): 52° Clear.

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Gridley weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Gridley…

Gridley weather in numbers

from 30 years of measured normals

Gridley swings 62°F across the year, from 100°F highs in July to 38°F lows in December, and December is usually the wettest month in a year that brings about 28 in of precipitation.

Warmest month
July
100°F average high
Coldest month
December
38°F average low
Wettest month
December
28 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
February, March, April and November
Residents
6,582
share this forecast

The weather map: all three models at once

NWS, American, European side by side around Gridley and nearby towns.Live rain radar →
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Gridley 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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Gridley 10-day forecast, out to 14 days

where the models agree, and where they split

Gridley, California (CA) is at its warmest in Jul (average highs near 100°F) and coldest in Dec (lows around 38°F), with roughly 28 in of precipitation across the year. Below, compare what NWS, American, European forecast for Gridley 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.

Gridley climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
55°
40°
Feb
60°
41°
Mar
63°
46°
Apr
71°
46°
May
83°
54°
Jun
92°
61°
Jul
100°
64°
Aug
97°
66°
Sep
92°
62°
Oct
79°
53°
Nov
64°
43°
Dec
55°
38°

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

How the weather around Gridley has changed since 1995

Gridley sits in the same roughly 50 km square of NASA's reanalysis as Chico. That square ran 2.1°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Chico 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 Gridley today?
On this page we show what NWS, American, European each forecast for Gridley 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 Gridley today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Gridley 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 Gridley?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Gridley 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 Gridley?
July is typically the warmest month in Gridley, with average highs around 100°F.
How cold does Gridley get?
The coldest month in Gridley is December, when overnight lows average about 38°F.
How much rain does Gridley get?
Gridley sees roughly 28 in of precipitation a year, with December usually the wettest month.

Nearby

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