Weather for 80534 — Johnstown, CO
Conditions and forecast for the exact centre of ZIP code 80534 (40.336, -104.924), not a nearby airport.
36°
Clear sky
- Feels like:
- 36°
- Humidity:
- 67%
- Wind:
- 3 mph
- Dew point:
- 26°
Source updated: 12:00:56 PM · WeatherSignal checked: 12:00:56 PM
Next 12 hours in 80534
12 PM
36°
0%
1 PM
34°
0%
2 PM
36°
0%
3 PM
40°
0%
4 PM
44°
0%
5 PM
47°
0%
6 PM
50°
0%
7 PM
53°
0%
8 PM
54°
0%
9 PM
55°
0%
10 PM
55°
0%
11 PM
54°
0%
7 day forecast for 80534
Today
55° / 34°
0% rain · 7 mph wind
Saturday, Oct 17
72° / 36°
0% rain · 6 mph wind
Sunday, Oct 18
72° / 37°
0% rain · 7 mph wind
Monday, Oct 19
64° / 44°
0% rain · 5 mph wind
Tuesday, Oct 20
64° / 44°
0% rain · 3 mph wind
Wednesday, Oct 21
68° / 44°
0% rain · 5 mph wind
Thursday, Oct 22
66° / 49°
0% rain · 4 mph wind
About ZIP code 80534
80534 covers Johnstown in Colorado. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.
Closest cities with full forecast pages: Fort Collins (19 mi), Boulder (29 mi), Thornton (32 mi), Westminster (35 mi).
Nearby ZIP codes
Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.
Planning your week in Johnstown 80534, Colorado
- The warmest afternoon ahead is tomorrow, reaching about 72°F.
- The coldest night ahead dips to about 34°F.
- This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
Common questions about Johnstown 80534, Colorado weather
- How accurate is the Johnstown 80534, Colorado forecast?
- The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
- What is the best day this week in Johnstown 80534, Colorado?
- No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
- Where does this forecast come from?
- Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
- How often is this page updated?
- The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.
More weather for Johnstown 80534, Colorado
- Current weather in Johnstown 80534, Colorado
- Johnstown 80534, Colorado hourly forecast
- Johnstown 80534, Colorado weather tomorrow
- Johnstown 80534, Colorado weekend weather
- Johnstown 80534, Colorado weather radar
- Johnstown 80534, Colorado severe weather alerts
- Best time to go outside in Johnstown 80534, Colorado
- What happened overnight in Johnstown 80534, Colorado
- How accurate is the Johnstown 80534, Colorado forecast?
- Johnstown 80534, Colorado monthly weather averages
Weather in nearby cities
- Fort Collins, CO weather · about 19 miles away
- Boulder, CO weather · about 29 miles away
- Thornton, CO weather · about 32 miles away
- Westminster, CO weather · about 35 miles away
- Arvada, CO weather · about 38 miles away
- Denver, CO weather · about 41 miles away