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CheckWeather USGillette

Gillette weather

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Gillette weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Gillette weather in numbers

from 30 years of measured normals

Gillette swings 69°F across the year, from 85°F highs in July to 16°F lows in January, and May is usually the wettest month in a year that brings about 15 in of precipitation.

Warmest month
July
85°F average high
Coldest month
January
16°F average low
Wettest month
May
15 in a year
Below freezing
5 months
January, February, March, November and December
Comfortable
2 months
June and September
Residents
33,000
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The weather map: all three models at once

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

where the models agree, and where they split

Gillette, Wyoming (WY) is at its warmest in Jul (average highs near 85°F) and coldest in Jan (lows around 16°F), with roughly 15 in of precipitation across the year. Below, compare what NWS, American, European forecast for Gillette 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.

Gillette climate by month

average daytime high and overnight low across a typical year
Jan
32°
16°
Feb
38°
20°
Mar
42°
22°
Apr
53°
32°
May
65°
44°
Jun
75°
54°
Jul
85°
61°
Aug
82°
60°
Sep
77°
54°
Oct
59°
39°
Nov
46°
29°
Dec
43°
26°

Which forecast is most accurate in Gillette?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
94
/100rank #1
93±0.7°F96±1.2 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
85±1.5°F92±2.6 mph7687% 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 Gillette today?
On this page we show what NWS, American, European each forecast for Gillette 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 Gillette today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Gillette 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 Gillette?
Over the last 30 days, the European model has been the most accurate for Gillette (CheckWeather Score 94/100), ahead of the American at 84. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Gillette?
July is typically the warmest month in Gillette, with average highs around 85°F.
How cold does Gillette get?
The coldest month in Gillette is January, when overnight lows average about 16°F.
How much rain does Gillette get?
Gillette sees roughly 15 in of precipitation a year, with May usually the wettest month.

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