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Boulder, Colorado 80304 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Boulder, Colorado 80304. Always follow local warnings and emergency instructions.

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Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Boulder, Colorado 80304 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Boulder, Colorado 80304

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

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What’s next

Hourly forecast

Boulder, Colorado 80304

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Boulder, Colorado 80304. Forecasts and alerts update from NOAA and the National Weather Service.

91°Slight Chance Showers And Thunderstorms18% rain
90°Chance Showers And Thunderstorms29% rain
89°Chance Showers And Thunderstorms42% rain
86°Chance Showers And Thunderstorms42% rain
84°Slight Chance Showers And Thunderstorms23% rain
82°Slight Chance Showers And Thunderstorms23% rain
78°Slight Chance Showers And Thunderstorms23% rain
74°Slight Chance Rain Showers15% rain

Next 24 hours

Rain Timeline

Highest chance 42%

Most likely around 4 PM, 5 PM. Expected type: Thunderstorms / Rain.

18%Thunderstorms
29%Thunderstorms
42%Thunderstorms
42%Thunderstorms
23%Thunderstorms
23%Thunderstorms
23%Thunderstorms
15%Rain
15%Rain
15%Rain
4%None
4%None
4%None
0%None
0%None
0%None
3%None
3%None
3%None
3%None
3%None
3%None
24%Thunderstorms
24%Thunderstorms

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

92°66°

Chance Showers And Thunderstorms

Precipitation
42%
Wind
NNW 6 mph
Sunrise
6:21 AM
Sunset
7:48 PM

Mon

90°61°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
34%
Wind
NW 1 to 7 mph
Sunrise
6:22 AM
Sunset
7:47 PM

Tue

86°59°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
50%
Wind
N 0 to 5 mph
Sunrise
6:23 AM
Sunset
7:45 PM

Wed

84°59°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
51%
Wind
NE 0 to 3 mph
Sunrise
6:24 AM
Sunset
7:44 PM

Thu

88°60°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
32%
Wind
NNW 3 mph
Sunrise
6:25 AM
Sunset
7:42 PM

Fri

92°62°

Mostly Sunny then Slight Chance Showers And Thunderstorms

Precipitation
21%
Wind
WNW 2 to 7 mph
Sunrise
6:26 AM
Sunset
7:41 PM

Sat

92°62°

Mostly Sunny then Slight Chance Showers And Thunderstorms

Precipitation
16%
Wind
W 6 mph
Sunrise
6:27 AM
Sunset
7:39 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel90°F
Use caution walking outside

Consider a shorter outing, adjust clothing, and check radar and alerts first.

WindNNW6 mph
Best walk timeBetter weather window: 2 AM–4 AM

Walking: 2% average rain chance, near 71°F, with winds near 8 mph.

Official EPA AirNowLocal air qualityBoulder, Colorado 80304
View AQI +
More weather details
Wind gusts24mph
Rain now18%next hour
Humidity21%current
UV indexCheckingEPA forecast

Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust24 mph
Pressure30.10 in
Visibility10.0 mi
Peak rain chance42%
Dew point45°F
Active alertsNone

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

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Official tropical weather

Hurricane center

NOAA National Hurricane Center updates, outlooks, and storm resources in one place.