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WeatherLiveColoradoJohnstown

Johnstown, CO Weather (80534)

Current WeatherJohnstown · 11:32 AM MDT
90° | 58°
78°F
Feels like 78°
Sunny
WindSE 7 mph · Gusts 8 mph
Precip57% · 0.09 in
Humidity49% · Dew point 58°
UV index10 Very high
Air Quality63 Moderate
Pressure30.09 inHg
Visibility6 mi
Sunrise / Sunset6:11 AM · 7:56 PM · 13h 45m

Weather map — Johnstown

Full radar →
Now
78°
2%
7 mph
12:00
83°
1%
7 mph
13:00
87°
1%
9 mph
14:00
89°
1%
9 mph
15:00
90°
17%
7 mph
16:00
85°
18%
4 mph
17:00
72°
24%
18 mph
18:00
73°
18%
11 mph
19:00
72°
20%
9 mph
20:00
64°
38%
6 mph
21:00
63°
8%
8 mph
22:00
63°
8%
7 mph
23:00
63°
8%
5 mph
00:00
62°
10%
12 mph
01:00
62°
12%
8 mph
02:00
60°
14%
0 mph
03:00
59°
15%
5 mph
04:00
59°
17%
4 mph
05:00
58°
15%
2 mph
06:00
58°
20%
1 mph
07:00
60°
18%
3 mph
08:00
66°
9%
4 mph
09:00
71°
5%
3 mph
10:00
76°
2%
5 mph

Today · Sun 8/16

High 90°
57% / 0.09 in

Sunny. Winds SE at 18 mph.

Tonight · Sun 8/16

Low 58°
8% / –

Sunny. Winds S at 8 mph.

Tomorrow · Mon 8/17

92° | 58°
3% / –

Sunny. Winds E at 12 mph.

7-day trend

Johnstown · temperature + precipitation

10-day forecast

Updated 11:32 AM

Details & indices

Wind
7 mph SE
Gusts 8 mph
Humidity
49%
Dew point 58°
Pressure
30.09 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Moderate
AQI 63 · US EPA
Allergy
Moderate
Mugwort
Visibility
6 mi
Clear view
Allergy — Johnstown

🌿 Conditions right now

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

Sun & moon

Sunrise6:11 AM
Sunset7:56 PM
Length of day13h 45m
Moonrise10:38 AM
Moonset9:45 PM
Next full moonAug 27 Sturgeon Moon
Latitude40.3369°N
Longitude-104.9122°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
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 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: 11:32 AM
Weather in Johnstown
Over the next 10 days Johnstown tops out around 103° (Sunday) and dips to 54° on the coolest night (Thursday). Models drop roughly 0.54 in of precipitation across the stretch — watch Wednesday (78%). Expect a blustery spell — gusts near 31 mph on Wednesday. The NWS alert board for this area is currently clear. Right now Johnstown is running about 25° warmer than Colorado Springs. 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: 11:32 AM