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CheckWeather USStillwater
Forecast confidence: High · models disagree by 2°F

Stillwater weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 100° in Stillwater today. Tomorrow looks cloudy around 100°, with a 13% chance of rain.

100°76°
100°77°
100°79°
103°80°
104°83°
96°77°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±7°Wednesdaysplit ±8°Thursdaysplit ±4°
NWSNational Blend (NBM)
100°
Clear
Today 100°·Low 76°·Rain 0%
AmericanNOAA GFS
102°
Partly cloudy
Today 102°·Low 75°·Rain 0%
EuropeanECMWF
99°
Mostly clear
Today 99°·Low 77°·Rain 4%

The weather map: all three models at once

NWS, American, European side by side around Stillwater and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Clear
100° 76°
models agree
Tomorrow
Cloudy
100° 77°
models agree
Mon
Light drizzle
100° 79°
models agree
Tue
Mostly clear
103° 80°
±7°
Wed
Mostly clear
104° 83°
±8°
Thu
Light drizzle
96° 77°
±4°
Fri
Light drizzle
97° 74°
±6°
Sat
Light drizzle
102° 79°
±9°
Sun
Light drizzle
95° 74°
±13°
Mon
Drizzle
84° 64°
±7°
Tue
Drizzle
85° 63°
±9°
Wed
Clear
86° 63°
±16°
Thu
Clear
88° 64°
±14°
Fri
Partly cloudy
94° 67°
±9°

Stillwater, OK is at its warmest in Aug (average highs near 94°F) and coldest in Jan (lows around 29°F), with roughly 35 in of precipitation across the year. Below, compare what NWS, American, European forecast for Stillwater 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.

Stillwater climate by month

average daytime high and overnight low across a typical year
Jan
47°
29°
Feb
57°
37°
Mar
64°
43°
Apr
72°
52°
May
81°
61°
Jun
90°
71°
Jul
93°
74°
Aug
94°
75°
Sep
87°
67°
Oct
76°
57°
Nov
62°
44°
Dec
54°
37°

Which forecast is most accurate in Stillwater?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
92±0.8°F97±1.0 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
79
/100rank #2
81±1.9°F94±2.0 mph6581% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°99° to 102°±4%0% to 4% chance
Tomorrow±3°99° to 102°±9%4% to 13% chance
Mon±1°99° to 100°±1%4% to 5% chance
Tue±7°100° to 108°±1%1% to 2% chance
Wed±8°100° to 108°±6%6% to 12% 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 Stillwater

today, local time
Sunrise
07:03
Sunset
19:50
Daylight
12h 47m

Common questions

What's the weather in Stillwater today?
On this page we show what NWS, American, European each forecast for Stillwater 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 Stillwater today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Stillwater 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 Stillwater?
Over the last 30 days, the European model has been the most accurate for Stillwater (CheckWeather Score 92/100), ahead of the American at 79. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Stillwater?
August is typically the warmest month in Stillwater, with average highs around 94°F.
How cold does Stillwater get?
The coldest month in Stillwater is January, when overnight lows average about 29°F.
How much rain does Stillwater get?
Stillwater sees roughly 35 in of precipitation a year, with May usually the wettest month.

Nearby

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