Gillette, WY Weather

Gillette weather forecast

  • Temperature:63°F
  • Humidity:58%
  • Pressure:29.96inHg
  • Wind speed:3mph
  • Direction:Variable
  • Gusts:n/a

Update from Gillette, WY on 29 Aug 1:53 AM PDT

Forecasted weather

Overnight

Slight Chc Thunderstorms

55°F 20% POP

Friday

Chance Thunderstorms

76°F 30% POP

Friday Night

Partly Cloudy

55°F

Saturday

Chance Thunderstorms

83°F 40% POP

Saturday Night

Chance Thunderstorms

51°F 30% POP

Sunday

Chance Thunderstorms

69°F 30% POP

Sunday Night

Partly Cloudy

46°F

Labor Day

Slight Chc Thunderstorms

73°F 20% POP

Monday Night

Partly Cloudy

47°F

Tuesday

Sunny

77°F

Tuesday Night

Mostly Clear

50°F

Wednesday

Mostly Sunny

82°F

Wednesday Night

Partly Cloudy

53°F

Thursday

Mostly Sunny

79°F

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 index183037
Pollution index105,234872,5706,623,939
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 39.7% less than the Wyoming average and 51.4% 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 87.9% less than the Wyoming average and 98.4% less than the national average.

Air quality information

MeasurementTotal
Days measured262
Days with good air quality261
Days with moderate air quality1
Days w/ poor A.Q. for sensitive groups0
Days with unhealthy air quality0

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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Cities near Gillette, WY

CityMilesCityMiles
Gillette, WY0Sundance, WY56.6
Antelope Valley-Crestview, WY4.3Buffalo, WY59.3
Sleepy Hollow, WY5.2North Spearfish, SD81.5
Wright, WY36.5Spearfish, SD82.8
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