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WeatherLive › Colorado › Longmont

Longmont, CO Weather (80502)

ZIP codes: 80502 · 80501 · 80503
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherLongmont · 1:18 AM MDT
70° | 44°
49°F
Feels like 47°
Mostly cloudy
WindNE 4 mph · Gusts 16 mph
Precip3% · –
Humidity38% · Dew point 25°
UV index5 Moderate
Air Quality34 Good
Pressure30.12 inHg
Visibility6 mi
Sunrise / Sunset7:15 AM · 6:15 PM · 11h 0m

Weather map — Longmont

Full radar →
Now
49°
10%
4 mph
02:00
47°
10%
2 mph
03:00
47°
10%
3 mph
04:00
46°
10%
4 mph
05:00
45°
9%
4 mph
06:00
44°
12%
2 mph
07:00
44°
12%
1 mph
08:00
47°
5%
2 mph
09:00
52°
1%
3 mph
10:00
56°
1%
3 mph
11:00
60°
1%
4 mph
12:00
63°
0%
4 mph
13:00
66°
1%
5 mph
14:00
68°
0%
6 mph
15:00
69°
0%
7 mph
16:00
70°
0%
9 mph
17:00
68°
1%
10 mph
18:00
62°
1%
9 mph
19:00
57°
1%
7 mph
20:00
53°
1%
4 mph
21:00
51°
1%
2 mph
22:00
50°
1%
3 mph
23:00
51°
1%
5 mph
00:00
49°
1%
5 mph

Today · Mon 10/19

High 70°
3% / –

Sunny. Winds E at 10 mph.

Overnight · Mon 10/19

Low 44°
10% / –

Mostly cloudy. Winds NE at 2 mph.

Tomorrow · Tue 10/20

73° | 44°
1% / –

Sunny. Winds N at 6 mph.

7-day trend

Longmont · temperature + precipitation

10-day forecast

Updated 1:18 AM

Details & indices

Wind
4 mph NE
Gusts 16 mph
Humidity
38%
Dew point 25°
Pressure
30.12 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Good
AQI 34 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Longmont

🌿 Conditions right now

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Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise7:15 AM
Sunset6:15 PM
Length of day11h 0m
Moonrise3:07 PM
Moonset12:09 AM
Moon phase🌓 First Quarter · 56%
Next full moonOct 25 Hunter's Moon
Latitude40.1672°N
Longitude-105.1019°E

Water temps nearby

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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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Great
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in Colorado
Denver
Mostly cloudy
59°
Colorado Springs
Mostly cloudy
53°
Aurora
Mostly cloudy
51° 🌤️
Fort Collins
—
—
Lakewood
Mostly cloudy
58°
NBM + global weather models
Updated: 1:18 AM
Longmont, CO · Elev 4,984 ft · 40.17°N, 105.10°W · Colorado · Forecast computed for these exact coordinates
ZIP codes in Longmont

80501 · 80502 · 80503 · 80504 (Firestone)

Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:18 AM