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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right
Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more Chevron right

Jefferson, CO

73°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Saturday, June 21

Day

6/21
81°Hi
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel Shade™ 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Windy and very warm with plenty of sunshine; gusty winds, low humidity and dry brush result in a high fire threat

Max UV Index13 (Extreme)

AccuLumen Brightness Index™10 (Very Bright)

WindSW 16 mph

Wind Gusts29 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Morning

Afternoon

Night

6/21
47°Lo
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Clear

WindWSW 9 mph

Wind Gusts18 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 57 mins
Rise 5:37 AM
Set 8:34 PM
Waning Crescent
Rise 2:13 AM
Set 4:44 PM

Temperature History

6/21
High
Low
Forecast
81°
47°
Average
67°
34°
Last Year
66°
41°

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World North America United States Colorado Jefferson

Weather Near Jefferson:

  • Boulder, CO
  • Denver, CO
  • Fort Collins, CO
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