Live Weather & Forecast

Weather in Niwot

Colorado, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
23°C
Feels like 22°C
73°F / Feels 72°F
Sunny
Niwot, Colorado
🌞 Daytime
Updated: 2026-04-12 16:30
💧
Humidity
11%
💨
Wind
16.6 km/h WSW
🌬️
Wind Gust
19 km/h
🌡️
Pressure
1007 mb
👁️
Visibility
16 km
☀️
UV Index
2.7 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
-4.4°C
🌐
Wind Degree
243°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
194.9 μg/m³
NO₂
21.4 μg/m³
O₃
69 μg/m³
SO₂
2.3 μg/m³
PM 2.5
5.4 μg/m³
PM 10
6.9 μg/m³

Weather Alerts 4

Met · Severe · Expected
Red Flag Warning issued April 11 at 11:13PM MDT until April 12 at 8:00PM MDT by NWS Denver CO

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK, THE SOUTHERN FRONT RANGE FOOTHILLS, PALMER DIVIDE INTO EAST CENTRAL COLORADO, AND EASTERN LARIMER AND NORTHERN WELD COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 8 PM MDT...

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are for...

Effective: 2026-04-11T23:13:00-06:00  ·  Expires: 2026-04-12T15:00:00-06:00
Met · Severe · Future
Fire Weather Watch issued April 11 at 11:13PM MDT until April 13 at 8:00PM MDT by NWS Denver CO

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK, THE SOUTHERN FRONT RANGE FOOTHILLS, PALMER DIVIDE INTO EAST CENTRAL COLORADO, AND EASTERN LARIMER AND NORTHERN WELD COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 8 PM MDT...

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are for...

Effective: 2026-04-11T23:13:00-06:00  ·  Expires: 2026-04-12T15:00:00-06:00
Met · Severe · Expected
Red Flag Warning issued April 12 at 11:50AM MDT until April 12 at 8:00PM MDT by NWS Denver CO

...TODAY'S RED FLAG WARNING REMAINS IN EFFECT AND UNCHANGED UNTIL 8 PM MDT THIS EVENING... .ALL ZONES IN MONDAY'S FIRE WEATHER WATCH HAVE BEEN UPGRADED TO A RED FLAG WARNING EXCEPT FOR WASHINGTON COUNTY WHERE WINDS WILL BE MORE MARGINAL. The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 8 PM MDT Monday. The F...

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T11:50:00-06:00  ·  Expires: 2026-04-13T06:15:00-06:00
Met · Severe · Expected
Red Flag Warning issued April 12 at 11:50AM MDT until April 13 at 8:00PM MDT by NWS Denver CO

...TODAY'S RED FLAG WARNING REMAINS IN EFFECT AND UNCHANGED UNTIL 8 PM MDT THIS EVENING... .ALL ZONES IN MONDAY'S FIRE WEATHER WATCH HAVE BEEN UPGRADED TO A RED FLAG WARNING EXCEPT FOR WASHINGTON COUNTY WHERE WINDS WILL BE MORE MARGINAL. The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 8 PM MDT Monday. The F...

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T11:50:00-06:00  ·  Expires: 2026-04-13T06:15:00-06:00

Today's Hourly Forecast

24-hour breakdown for Niwot, Colorado

12 AM
Clear
10°
Clear
💧 54% 💨 10.8 km/h
1 AM
Overcast
9°
Overcast
💧 55% 💨 11.2 km/h
2 AM
Partly Cloudy
8°
Partly Cloudy
💧 56% 💨 9.7 km/h
3 AM
Clear
7°
Clear
💧 61% 💨 10.4 km/h
4 AM
Clear
6°
Clear
💧 65% 💨 10.1 km/h
5 AM
Clear
5°
Clear
💧 69% 💨 10.8 km/h
6 AM
Clear
4°
Clear
💧 72% 💨 11.2 km/h
7 AM
Sunny
6°
Sunny
💧 71% 💨 11.5 km/h
8 AM
Sunny
10°
Sunny
💧 57% 💨 15.5 km/h
9 AM
Sunny
14°
Sunny
💧 28% 💨 18.7 km/h
10 AM
Sunny
18°
Sunny
💧 23% 💨 20.9 km/h
11 AM
Sunny
21°
Sunny
💧 21% 💨 18 km/h
12 PM
Sunny
22°
Sunny
💧 19% 💨 14 km/h
1 PM
Sunny
22°
Sunny
💧 18% 💨 16.9 km/h
2 PM
Sunny
24°
Sunny
💧 16% 💨 6.5 km/h
3 PM
Sunny
25°
Sunny
💧 15% 💨 7.9 km/h
4 PM
Sunny
23°
Sunny
💧 11% 💨 16.6 km/h
5 PM
Sunny
24°
Sunny
💧 13% 💨 17.3 km/h
6 PM
Sunny
23°
Sunny
💧 14% 💨 25.2 km/h
7 PM
Sunny
20°
Sunny
💧 19% 💨 25.6 km/h
8 PM
Clear
18°
Clear
💧 19% 💨 16.6 km/h
9 PM
Cloudy
15°
Cloudy
💧 21% 💨 14.8 km/h
10 PM
Clear
12°
Clear
💧 28% 💨 12.2 km/h
11 PM
Clear
10°
Clear
💧 37% 💨 9 km/h

3-Day Forecast

Daily overview for Niwot, Colorado

Today
Sunny
Sunny
25° / 4°
🌧️ 0% chance of rain
💧 Avg. humidity: 36%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
Sunny
22° / 4°
🌧️ 0% chance of rain
💧 Avg. humidity: 32%
💨 Max wind: 34.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
Overcast
14° / 5°
🌧️ 0% chance of rain
💧 Avg. humidity: 43%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Niwot

Plan your trip to Niwot, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Niwot 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Niwot?
Current conditions in Niwot: Sunny, temperature 23°C, humidity 11%.
What is the best time to visit Niwot?
The best time to visit Niwot is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Niwot?
Niwot is located at approximately 40.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Niwot?
The wettest period in Niwot is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Niwot?
For visits to Niwot during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Niwot in?
Niwot is located in United States, in the state of Colorado.
What are the public holidays in Niwot in 2026?
View the 2026 public holidays for Niwot on our Holidays page.
What are the GPS coordinates used for the weather forecast in Niwot?
The weather forecast for Niwot uses coordinates 40.1039, -105.1708.