Niwot, CO Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Niwot, CO in one place.
A slight chance of rain showers after noon. Mostly sunny, with a high near 66. Northeast wind 0 to 6 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Niwot, CO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 11, 2026 11:10 PM MDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Niwot, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 11:10 PM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Niwot
Sunday looks like the warmest upcoming period in Niwot at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Wednesday at about 7 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 11:10 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- BOU
- Radar station
- KFTG
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely. Cloudy, with a low around 43. North northeast wind around 6 mph. Chance of precipitation is 70%.
Rain showers. Cloudy, with a high near 55. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 39.
A chance of rain showers. Partly sunny, with a high near 61.
A chance of rain showers. Mostly cloudy, with a low around 37.
Sunny, with a high near 60.
Mostly clear, with a low around 35.
Sunny, with a high near 72.
Mostly clear, with a low around 43.
Sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny then Slight Chance Rain Showers
|
66°F |
0 to 6 mph
NE
|
|
Tuesday Night
Oct 13
|
Rain Showers Likely
|
43°F |
6 mph
NNE
|
|
Wednesday
Oct 14
|
Rain Showers
|
55°F |
7 mph
NE
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms Likely
|
39°F |
0 to 5 mph
N
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
61°F |
1 to 6 mph
NW
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
37°F |
0 to 5 mph
NNW
|
|
Friday
Oct 16
|
Sunny
|
60°F |
0 to 5 mph
E
|
|
Friday Night
Oct 16
|
Mostly Clear
|
35°F |
2 mph
SW
|
|
Saturday
Oct 17
|
Sunny
|
72°F |
2 mph
SSE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
43°F |
0 to 7 mph
WNW
|
|
Sunday
Oct 18
|
Sunny
|
75°F |
5 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Niwot.
