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Niwot, Colorado 80544 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 Niwot, Colorado 80544. 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 Niwot, Colorado 80544 before making weather-sensitive plans.

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Weather status

No active NWS alerts found for Niwot, Colorado 80544

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

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What’s next

Hourly forecast

Niwot, Colorado 80544

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Niwot, Colorado 80544. Forecasts and alerts update from NOAA and the National Weather Service.

83°Chance Showers And Thunderstorms37% rain
80°Slight Chance Showers And Thunderstorms22% rain
78°Slight Chance Showers And Thunderstorms22% rain
73°Slight Chance Showers And Thunderstorms22% rain
70°Slight Chance Rain Showers15% rain
68°Slight Chance Rain Showers15% rain
68°Slight Chance Rain Showers15% rain
68°Mostly Cloudy3% rain

Next 24 hours

Rain Timeline

Highest chance 37%

Scattered precipitation is possible. The highest official hourly chance is 37%; check the radar before heading out.

37%Thunderstorms
22%Thunderstorms
22%Thunderstorms
22%Thunderstorms
15%Rain
15%Rain
15%Rain
3%None
3%None
3%None
0%None
0%None
0%None
3%None
3%None
3%None
3%None
3%None
3%None
24%Thunderstorms
24%Thunderstorms
24%Thunderstorms
35%Thunderstorms
35%Thunderstorms

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

89°64°

Chance Showers And Thunderstorms

Precipitation
37%
Wind
SSW 7 mph
Sunrise
6:21 AM
Sunset
7:48 PM

Mon

88°58°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
35%
Wind
NNW 2 to 9 mph
Sunrise
6:22 AM
Sunset
7:47 PM

Tue

83°56°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
50%
Wind
NE 1 to 5 mph
Sunrise
6:23 AM
Sunset
7:45 PM

Wed

81°57°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
47%
Wind
ENE 3 mph
Sunrise
6:24 AM
Sunset
7:44 PM

Thu

86°57°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
35%
Wind
ENE 3 mph
Sunrise
6:25 AM
Sunset
7:42 PM

Fri

89°59°

Mostly Sunny then Slight Chance Showers And Thunderstorms

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

Sat

89°59°

Mostly Sunny then Slight Chance Showers And Thunderstorms

Precipitation
16%
Wind
W 3 to 7 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 Feel88°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindS3 mph
Best walk timeBetter weather window: 3 AM–5 AM

Walking: 0% average rain chance, near 67°F, with winds near 10 mph.

Official EPA AirNowLocal air qualityNiwot, Colorado 80544
View AQI +
More weather details
Wind gustsNot reported
Rain now37%next hour
Humidity30%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

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 gustNot reported
Pressure30.10 in
Visibility10.0 mi
Peak rain chance37%
Dew point48°F
Active alertsNone

Official risk outlooks

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Official tropical weather

Hurricane center

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