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Thunderstorms to rattle central, eastern US this week. Get the forecast. Chevron right
More cool spells, risks of frosts and freezes coming to Midwest, Northeast. See the forecast. Chevron right

Jefferson, CO

45°F
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Jefferson

Colorado

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

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Winter Center
Today WinterCast Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Tuesday, May 5

Day

5/5
48°Hi
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Mostly cloudy; morning showers followed by a shower in spots in the afternoon
alerts

Winter Storm Watch

6:00 AM Tuesday - 3:00 PM Wednesday

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™3 (Dull)

WindSW 10 mph

Wind Gusts15 mph

Probability of Precipitation90%

Probability of Thunderstorms22%

Precipitation0.12 in

Rain0.12 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover85%

Morning

Afternoon

Night

5/5
23°Lo
RealFeel® 14°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
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Snow, accumulating 1-3 inches; untreated roads will be snow packed and slippery
alerts

Winter Storm Watch

6:00 AM Tuesday - 3:00 PM Wednesday

WindSSE 8 mph

Wind Gusts9 mph

Probability of Precipitation96%

Probability of Thunderstorms21%

Precipitation0.21 in

Snow2.45 in

Hours of Precipitation11

Cloud Cover99%

Evening

Overnight

Sun & Moon

14 hrs 01 mins
Rise 6:00 AM
Set 8:01 PM
Waning Gibbous
Rise --
Set 8:14 AM

Temperature History

5/5
High
Low
Forecast
48°
23°
Average
50°
24°
Last Year
46°
31°

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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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