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WeatherLive › Colorado › Niwot

Niwot, CO Weather (80544)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherNiwot · 5:39 PM MDT
89° | 55°
75°F
Feels like 66°
Partly cloudy
WindSE 19 mph · Gusts 22 mph
Precip57% · 0.08 in
Humidity48% · Dew point 54°
UV index10 Very high
Air Quality101 Unhealthy for Sensitive Groups
Pressure30.00 inHg
Visibility6 mi
Sunrise / Sunset6:13 AM · 7:56 PM · 13h 43m

Weather map — Niwot

Full radar →
Now
75°
17%
19 mph
18:00
74°
36%
10 mph
19:00
71°
20%
6 mph
20:00
62°
0.03 in
4 mph
21:00
63°
7%
6 mph
22:00
62°
6%
7 mph
23:00
63°
6%
4 mph
00:00
62°
6%
3 mph
01:00
60°
9%
6 mph
02:00
58°
12%
3 mph
03:00
57°
12%
5 mph
04:00
57°
11%
4 mph
05:00
57°
10%
2 mph
06:00
57°
10%
1 mph
07:00
60°
9%
3 mph
08:00
68°
5%
3 mph
09:00
75°
2%
2 mph
10:00
80°
1%
5 mph
11:00
83°
1%
5 mph
12:00
87°
1%
8 mph
13:00
90°
1%
11 mph
14:00
91°
2%
9 mph
15:00
91°
1%
9 mph
16:00
92°
1%
7 mph

Today · Sun 8/16

High 89°
57% / 0.08 in

Sunny. Winds SE at 19 mph.

Tonight · Sun 8/16

Low 57°
7% / –

Sunny. Winds SW at 6 mph.

Tomorrow · Mon 8/17

92° | 57°
2% / –

Sunny. Winds SE at 11 mph.

7-day trend

Niwot · temperature + precipitation

10-day forecast

Updated 5:39 PM

Details & indices

Wind
19 mph SE
Gusts 22 mph
Humidity
48%
Dew point 54°
Pressure
30.00 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Unhealthy for Sensitive Groups
AQI 101 · US EPA
Allergy
Low
Mugwort
Visibility
6 mi
Clear view
Allergy — Niwot

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
None

Sun & moon

Sunrise6:13 AM
Sunset7:56 PM
Length of day13h 43m
Moonrise10:39 AM
Moonset9:46 PM
Moon phase🌒 Waxing Crescent · 21%
Next full moonAug 27 Sturgeon Moon
Latitude40.1039°N
Longitude-105.1708°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Denver
—
— 🌤️
Colorado Springs
—
— 🌤️
Aurora
—
— 🌤️
Fort Collins
—
— 🌤️
Lakewood
—
—
Data sources · Sunday, August 16
Where the Niwot forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.1039°N, -105.1708°.
NBM + global weather models
Updated: 5:39 PM
Weather in Niwot
The 10-day span for Niwot runs from a high near 102° on Sunday down to 52° overnight on Thursday. About 0.43 in of precipitation is expected in total; the most likely wet day is Wednesday (72% chance). No watches or warnings are active for the area right now. Right now Niwot is running about 22° warmer than Colorado Springs. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Niwot, CO · Elev 5,095 ft · 40.10°N, 105.17°W · Colorado · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:39 PM