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Bloomington weather

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NWSNational Blend (NBM)
57°
Clear
Feels 55° · Wind 6 mph · Humidity 75%
AmericanNOAA GFS
55°
Clear
Feels 52° · Wind 6 mph · Humidity 78%
EuropeanECMWF
54°
Mainly clear
Feels 54° · Wind 2 mph · Humidity 96%

Latest for Bloomington: NWS (National Blend (NBM)): 57° Clear · American (NOAA GFS): 55° Clear · European (ECMWF): 54° Mainly clear.

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Bloomington weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Bloomington…

Bloomington weather in numbers

measured normals and 10 years of recorded weather

Bloomington swings 58°F across the year, from 96°F highs in August to 38°F lows in December, and February is usually the wettest month in a year that brings about 22 in of precipitation. Over 10 years of recorded weather it averages 200 days a year at 77°F or above, 127 of them at 86°F or above, 1 frost night, and rain on 42 days.

Warmest month
August
96°F average high
Coldest month
December
38°F average low
Wettest month
February
22 in a year
Comfortable
4 months
January, March, April and November
Residents
24,000
share this forecast
Warm days
200 days
a year at 77°F or above
Frost nights
1 night
a year below 32°F
Rain days
42 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Bloomington’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

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

where the models agree, and where they split

Bloomington, California (CA) is at its warmest in Aug (average highs near 96°F) and coldest in Dec (lows around 38°F), with roughly 22 in of precipitation across the year. Below, compare what NWS, American, European forecast for Bloomington 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.

Bloomington climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
62°
43°
Feb
64°
45°
Mar
65°
48°
Apr
74°
48°
May
80°
55°
Jun
87°
60°
Jul
94°
63°
Aug
96°
67°
Sep
91°
64°
Oct
82°
53°
Nov
71°
46°
Dec
63°
38°

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

How the weather around Bloomington has changed since 1995

Bloomington sits in the same roughly 50 km square of NASA's reanalysis as Riverside. That square ran 1.4°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Riverside 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 Bloomington today?
On this page we show what NWS, American, European each forecast for Bloomington 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 Bloomington today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Bloomington 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 Bloomington?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Bloomington 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 Bloomington?
August is typically the warmest month in Bloomington, with average highs around 96°F.
How cold does Bloomington get?
The coldest month in Bloomington is December, when overnight lows average about 38°F.
How much rain does Bloomington get?
Bloomington sees roughly 22 in of precipitation a year, with February usually the wettest month.

Nearby

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