Gillette, WY Weather

Gillette weather forecast

  • Temperature:95°F
  • Humidity:12%
  • Pressure:29.95inHg
  • Wind speed:14mph
  • Direction:
  • Gusts:23mph

Update from Gillette, Gillette-Campbell County Airport, WY on 29 Aug 6:53 PM EDT

Forecasted weather

This Afternoon

Areas Smoke

94°F

Tonight

Mostly Clear

64°F

Sunday

Mostly Sunny then Slight Chance T-storms and Breezy

94°F 20% POP

Sunday Night

Slight Chance T-storms and Breezy

55°F 20% POP

Monday

Sunny

82°F

Monday Night

Mostly Clear

56°F

Tuesday

Sunny

90°F

Tuesday Night

Mostly Clear

60°F

Wednesday

Sunny

91°F

Wednesday Night

Mostly Clear

60°F

Thursday

Sunny

86°F

Thursday Night

Mostly Clear

54°F

Friday

Mostly Sunny

81°F

Friday Night

Slight Chance T-storms

49°F 20% POP

Saturday

Slight Chance T-storms

78°F 20% POP

Gillette average temperature

MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January-15°F63°F27°F0.3"
February-20°F64°F28°F0.4"
March-16°F81°F36°F0.6"
April6°F81°F43°F1.3"
May18°F92°F53°F2.7"
June30°F99°F63°F1.7"
July37°F107°F73°F1.2"
August38°F100°F70°F0.9"
September24°F95°F59°F0.9"
October7°F89°F44°F1.1"
November-9°F76°F37°F0.4"
December-22°F61°F24°F0.3"
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.

The highest average temperature in Gillette is July at 73.4 degrees. The coldest average temperature in Gillette is December at 23.6 degrees. The most monthly precipitation in Gillette occurs in May with 2.7 inches. The Gillette weather information is based on the average of the previous 3-7 years of data.

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Gillette air quality index & pollution index

IndexGilletteWyomingNational
Air quality index463950
Pollution index105,2341,060,0315,072,052
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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The Gillette, WY air quality index is a median value which considers the most hazardous air pollutants. The Gillette, WY air quality index is 19.4% greater than the Wyoming average and 7.5% less than the national average.

The Gillette, WY pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Gillette, WY pollution index is 90.1% less than the Wyoming average and 97.9% less than the national average.

Air quality information

MeasurementTotal
Days measured365
Days with good air quality246
Days with moderate air quality118
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Air pollution information

PollutantTotal
Arsenic0.000%
Benzene0.001%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Gillette temperature with heat index

Gillette monthly precipitation with daily maximum

Gillette monthly snow depth with daily maximum

Gillette monthly wind speed information

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