Johnstown, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Johnstown, PA in one place.
Sunny, with a high near 66. North wind 6 to 9 mph.
Local Weather Overview
This forecast page for Johnstown, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 12:54 AM EDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Johnstown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 12:54 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnstown
Thursday looks like the warmest upcoming period in Johnstown at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Saturday at about 6 to 9 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 30, 2026 12:54 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 42. Northeast wind 0 to 8 mph.
Sunny, with a high near 72. Southwest wind 0 to 3 mph.
Mostly clear, with a low around 48. Northwest wind 0 to 3 mph.
Sunny, with a high near 72.
Mostly clear, with a low around 48.
Sunny, with a high near 71.
Mostly clear, with a low around 48.
Sunny, with a high near 72.
Mostly clear, with a low around 50.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Sunny
|
66°F |
6 to 9 mph
N
|
|
Saturday Night
May 30
|
Clear
|
42°F |
0 to 8 mph
NE
|
|
Sunday
May 31
|
Sunny
|
72°F |
0 to 3 mph
SW
|
|
Sunday Night
May 31
|
Mostly Clear
|
48°F |
0 to 3 mph
NW
|
|
Monday
Jun 1
|
Sunny
|
72°F |
0 to 6 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
48°F |
0 to 5 mph
N
|
|
Tuesday
Jun 2
|
Sunny
|
71°F |
0 to 7 mph
N
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
48°F |
0 to 6 mph
N
|
|
Wednesday
Jun 3
|
Sunny
|
72°F |
0 to 6 mph
N
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
50°F |
0 to 3 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
78°F |
0 to 3 mph
NW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
56°F |
2 mph
W
|
|
Friday
Jun 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
1 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnstown.