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 83. Southwest wind 10 to 15 mph, with gusts as high as 30 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: Oct 13, 2026 9:11 AM EDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Johnstown, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 9:11 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnstown
Today looks like the warmest upcoming period in Johnstown at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 17 to 22 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 9:11 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 66. Southwest wind 6 to 12 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms after 7am. Partly sunny, with a high near 78. West wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 56. Northeast wind 7 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers after 8am. Mostly cloudy, with a high near 68. East wind 6 to 12 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Partly sunny, with a high near 64. Chance of precipitation is 60%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 36.
Sunny, with a high near 54.
Clear, with a low around 32.
Sunny, with a high near 62.
Mostly clear, with a low around 39.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Sunny
|
83°F |
10 to 15 mph
SW
|
|
Tonight
Oct 13
|
Mostly Clear
|
66°F |
6 to 12 mph
SW
|
|
Wednesday
Oct 14
|
Showers And Thunderstorms
|
78°F |
8 mph
W
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms Likely
|
56°F |
7 to 12 mph
NE
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
68°F |
6 to 12 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
58°F |
6 to 16 mph
S
|
|
Friday
Oct 16
|
Showers And Thunderstorms Likely
|
64°F |
17 to 22 mph
W
|
|
Friday Night
Oct 16
|
Slight Chance Rain Showers then Partly Cloudy
|
36°F |
16 to 21 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
54°F |
8 to 15 mph
NW
|
|
Saturday Night
Oct 17
|
Clear
|
32°F |
2 to 7 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
3 to 9 mph
S
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
8 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
6 to 9 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
44°F |
2 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnstown.
