New York, NY 26° Los Angeles, CA 33° Chicago, IL 26° Houston, TX 28° Miami, FL 27° Phoenix, AZ 46° Seattle, WA 21° Denver, CO 32° Toronto, ON 27° Vancouver, BC 21°
WeatherLiveColoradoJohnstown

Johnstown, CO Weather (80534)

Current WeatherJohnstown · 5:26 PM MDT
35° | 14°
35°C
Feels like 31°
Sunny
WindE 10 mph · Gusts 19 mph
Precip3% · –
Humidity14% · Dew point 4°
UV index9 Very high
Air Quality88 Moderate
Pressure29.85 inHg
Visibility6 mi
Sunrise / Sunset6:22 AM · 7:39 PM · 13h 17m

Weather map — Johnstown

Full radar →
Now
35°
0%
10 mph
18:00
33°
11%
15 mph
19:00
31°
10%
16 mph
20:00
27°
2%
13 mph
21:00
25°
1%
13 mph
22:00
24°
0%
12 mph
23:00
19°
8%
8 mph
00:00
19°
17%
7 mph
01:00
18°
7%
3 mph
02:00
18°
7%
5 mph
03:00
17°
7%
4 mph
04:00
17°
7%
2 mph
05:00
16°
8%
5 mph
06:00
15°
22%
5 mph
07:00
16°
9%
3 mph
08:00
19°
5%
4 mph
09:00
23°
4%
5 mph
10:00
26°
1%
5 mph
11:00
30°
1%
4 mph
12:00
32°
8%
4 mph
13:00
34°
8%
6 mph
14:00
35°
6%
9 mph
15:00
35°
7%
9 mph
16:00
34°
8%
14 mph

Today · Thu 8/27

High 35°
3% / –

Sunny. Winds SW at 16 mph.

Tonight · Thu 8/27

Low 15°
1% / –

Sunny. Winds SW at 13 mph.

Tomorrow · Fri 8/28

35° | 15°
17% / 0.01 in

Sunny. Winds S at 15 mph.

7-day trend

Johnstown · temperature + precipitation

10-day forecast

Updated 5:26 PM

Details & indices

Wind
10 mph E
Gusts 19 mph
Humidity
14%
Dew point 4°
Pressure
29.85 inHg
Falling
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 88 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Johnstown

🌿 Conditions right now

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

Sun & moon

Sunrise6:22 AM
Sunset7:39 PM
Length of day13h 17m
Moonrise7:30 PM
Moonset5:44 AM
Next full moonAug 27 Sturgeon Moon
Latitude40.3369°N
Longitude-104.9122°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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Denver
Sunny
32°
Colorado Springs
Partly cloudy
26°
Aurora
Sunny
31°
🌤️
Fort Collins
🌤️
Lakewood
Data sources · Thursday, August 27
Where the Johnstown 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: 40.3369°N, -104.9122°.
NBM + global weather models
Updated: 5:26 PM
Weather in Johnstown
Over the next 10 days Johnstown tops out around 35° (Thursday) and dips to 14° on the coolest night (Thursday). Models drop roughly 0.50 in of precipitation across the stretch — watch Monday (70%). Expect a blustery spell — gusts near 33 mph on Saturday. The NWS alert board for this area is currently clear. Right now Johnstown is running about 84° warmer than Laramie. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Johnstown, CO · Elev 4,852 ft · 40.34°N, 104.91°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: 5:26 PM