Johnstown, OH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Johnstown, OH in one place.
Sunny, with a high near 71. Northeast wind 9 to 13 mph.
Local Weather Overview
This forecast page for Johnstown, OH 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 12:18 AM EDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Johnstown, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 12:18 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnstown
Friday looks like the warmest upcoming period in Johnstown at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Saturday at about 9 to 13 mph NE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 30, 2026 12:18 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 48. Northeast wind 9 to 13 mph.
Sunny, with a high near 74. East wind 3 to 10 mph.
Partly cloudy, with a low around 53. North wind around 3 mph.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 53.
Sunny, with a high near 74.
Clear, with a low around 52.
Sunny, with a high near 76.
Mostly clear, with a low around 55.
Sunny, with a high near 80.
Partly cloudy, with a low around 61.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Sunny
|
71°F |
9 to 13 mph
NE
|
|
Saturday Night
May 30
|
Mostly Clear
|
48°F |
9 to 13 mph
NE
|
|
Sunday
May 31
|
Sunny
|
74°F |
3 to 10 mph
E
|
|
Sunday Night
May 31
|
Partly Cloudy
|
53°F |
3 mph
N
|
|
Monday
Jun 1
|
Mostly Sunny
|
75°F |
2 to 8 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
53°F |
8 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
74°F |
7 to 13 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
52°F |
5 to 12 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
76°F |
7 mph
N
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
55°F |
2 to 6 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
80°F |
2 to 6 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
61°F |
6 mph
SW
|
|
Friday
Jun 5
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
5 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnstown.
