Johnston, OH Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Johnston, OH in one place.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly cloudy, with a high near 79. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Johnston, 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: Sep 17, 2026 10:43 AM EDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Johnston, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 10:43 AM EDT
- Forecast office
- CLE
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnston
Today looks like the warmest upcoming period in Johnston at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Tuesday at about 12 to 16 mph E.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 10:43 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CLE
- Radar station
- KCLE
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 62. North wind 3 to 7 mph.
Mostly sunny, with a high near 76. North wind 5 to 10 mph.
Mostly cloudy, with a low around 56. Northeast wind 5 to 10 mph.
A chance of rain showers after 2pm. Partly sunny, with a high near 71. East wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 8pm, then showers and thunderstorms. Cloudy, with a low around 64. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Cloudy, with a high near 74. Chance of precipitation is 100%.
A chance of rain showers before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Mostly cloudy, with a high near 70.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 17
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
79°F |
3 to 7 mph
W
|
|
Tonight
Sep 17
|
Mostly Cloudy
|
62°F |
3 to 7 mph
N
|
|
Friday
Sep 18
|
Mostly Sunny
|
76°F |
5 to 10 mph
N
|
|
Friday Night
Sep 18
|
Mostly Cloudy
|
56°F |
5 to 10 mph
NE
|
|
Saturday
Sep 19
|
Partly Sunny then Chance Rain Showers
|
71°F |
7 mph
E
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms
|
64°F |
8 mph
S
|
|
Sunday
Sep 20
|
Showers And Thunderstorms
|
74°F |
8 to 12 mph
NW
|
|
Sunday Night
Sep 20
|
Chance Rain Showers then Mostly Cloudy
|
56°F |
8 to 13 mph
NE
|
|
Monday
Sep 21
|
Mostly Cloudy
|
70°F |
10 mph
NE
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
57°F |
12 mph
NE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
70°F |
12 to 16 mph
E
|
|
Tuesday Night
Sep 22
|
Chance Rain Showers
|
58°F |
16 mph
E
|
|
Wednesday
Sep 23
|
Chance Rain Showers
|
72°F |
15 mph
SE
|
|
Wednesday Night
Sep 23
|
Chance Rain Showers
|
57°F |
9 to 14 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnston.