Johnson, OH Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Johnson, OH in one place.
Mostly cloudy. High near 74, with temperatures falling to around 68 in the afternoon. Southeast wind around 5 mph.
Local Weather Overview
This forecast page for Johnson, 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 15, 2026 5:31 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Johnson, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 5:31 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson
This Afternoon looks like the warmest upcoming period in Johnson at 74 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 17 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 5:31 PM 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
A slight chance of showers and thunderstorms between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then a slight chance of showers and thunderstorms between midnight and 1am. Mostly cloudy, with a low around 64. South wind 5 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely after 8am. Mostly cloudy. High near 67, with temperatures falling to around 55 in the afternoon. West wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers between 7pm and 2am. Mostly cloudy, with a low around 38. Northwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 53. North wind 8 to 16 mph, with gusts as high as 28 mph.
Areas of frost after midnight. Clear, with a low around 31.
Widespread frost before 10am. Sunny, with a high near 62.
Clear, with a low around 36.
Sunny, with a high near 67.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 41.
Sunny, with a high near 70.
Mostly clear, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Cloudy
|
74°F |
5 mph
SE
|
|
Tonight
Oct 15
|
Slight Chance Showers And Thunderstorms
|
64°F |
5 to 15 mph
S
|
|
Friday
Oct 16
|
Rain Showers Likely
|
67°F |
17 mph
W
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
38°F |
16 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
53°F |
8 to 16 mph
N
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
31°F |
1 to 6 mph
NE
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
62°F |
1 to 6 mph
SE
|
|
Sunday Night
Oct 18
|
Clear
|
36°F |
5 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
67°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
40°F |
0 to 3 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
70°F |
3 mph
NE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
41°F |
3 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
70°F |
1 to 5 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
41°F |
1 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnson.