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Johnson, CO

75°F
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Johnson, CO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Tuesday, April 21

Day

4/21
87°Hi
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 84°
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
Mostly sunny and very warm

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 7 mph

Wind Gusts17 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover16%

Morning

Afternoon

Night

4/21
49°Lo
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Breezy this evening; otherwise, partly cloudy

WindS 9 mph

Wind Gusts15 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover44%

Evening

Overnight

Sun & Moon

13 hrs 31 mins
Rise 6:11 AM
Set 7:42 PM
Waxing Crescent
Rise 9:07 AM
Set 1:18 AM

Temperature History

4/21
High
Low
Forecast
87°
49°
Average
62°
35°
Last Year
74°
41°
Record
89°
1989
14°
1907

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World North America United States Colorado Johnson

Weather Near Johnson:

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