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Forecast confidence: High · models disagree by 3°F

Folsom weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 86° in Folsom today. Tomorrow looks mostly clear around 90°, with a 0% chance of rain.

86°55°
90°59°
86°61°
88°59°
88°59°
95°64°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaysplit ±5°Tuesdaysplit ±5°Wednesdaymodels agree
NWSNational Blend (NBM)
87°
Clear
Today 87°·Low 55°·Rain 0%
AmericanNOAA GFS
84°
Clear
Today 84°·Low 53°·Rain 0%
EuropeanECMWF
86°
Clear
Today 86°·Low 57°·Rain 0%
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Folsom weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Folsom weather in numbers

from 30 years of measured normals

Folsom swings 58°F across the year, from 98°F highs in July to 40°F lows in February, and January is usually the wettest month in a year that brings about 38 in of precipitation.

Warmest month
July
98°F average high
Coldest month
February
40°F average low
Wettest month
January
38 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
3 months
April, May and November
Residents
76,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Clear
86° 55°
models agree
Tomorrow
Mostly clear
90° 59°
models agree
Sun
Cloudy
86° 61°
models agree
Mon
Cloudy
88° 59°
±5°
Tue
Clear
88° 59°
±5°
Wed
Mostly clear
95° 64°
models agree
Thu
Mostly clear
97° 68°
models agree
Fri
Cloudy
89° 66°
±7°
Sat
Cloudy
88° 64°
±16°
Sun
Mostly clear
88° 63°
±12°
Mon
Mostly clear
89° 62°
±9°
Tue
Light rain
90° 63°
±8°
Wed
Mostly clear
86° 62°
±16°
Thu
Clear
84° 59°
±15°

Folsom, California (CA) is at its warmest in Jul (average highs near 98°F) and coldest in Feb (lows around 40°F), with roughly 38 in of precipitation across the year. Below, compare what NWS, American, European forecast for Folsom 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.

Folsom climate by month

average daytime high and overnight low across a typical year
Jan
55°
42°
Feb
56°
40°
Mar
58°
43°
Apr
68°
47°
May
78°
53°
Jun
88°
60°
Jul
98°
66°
Aug
94°
65°
Sep
87°
60°
Oct
79°
55°
Nov
62°
45°
Dec
57°
43°

Which forecast is most accurate in Folsom?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
81±1.9°F98±0.5 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
80
/100rank #2
57±4.3°F97±1.1 mph9597% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°84° to 87°models agree0% to 0% chance
Tomorrow±2°89° to 91°models agree0% to 0% chance
Sun±3°84° to 87°models agree0% to 0% chance
Mon±5°85° to 90°models agree0% to 0% chance
Tue±5°86° to 91°models agree0% to 0% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Folsom

today, local time
Sunrise
06:49
Sunset
19:07
Daylight
12h 18m

Common questions

What's the weather in Folsom today?
On this page we show what NWS, American, European each forecast for Folsom 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 Folsom today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Folsom 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 Folsom?
Over the last 30 days, the European model has been the most accurate for Folsom (CheckWeather Score 92/100), ahead of the American at 80. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Folsom?
July is typically the warmest month in Folsom, with average highs around 98°F.
How cold does Folsom get?
The coldest month in Folsom is February, when overnight lows average about 40°F.
How much rain does Folsom get?
Folsom sees roughly 38 in of precipitation a year, with January usually the wettest month.

Nearby

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