Putnam County, OH Weather Forecast
County weather hub
Mostly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Putnam County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 100. West wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Putnam County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Putnam County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 8:24 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Putnam County
Today looks like the warmest upcoming period in Putnam County at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Today at about 10 to 20 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 8:24 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Patchy smoke between 8am and 9am. Mostly sunny, with a high near 82. Northeast wind 5 to 10 mph.
Mostly clear, with a low around 60. East wind 5 to 10 mph.
Mostly sunny, with a high near 84. South wind 5 to 10 mph.
Showers and thunderstorms likely after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2am. Mostly clear, with a low around 61. Chance of precipitation is 60%.
Sunny, with a high near 75.
Mostly clear, with a low around 54.
Sunny, with a high near 79.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
10 to 20 mph
W
|
|
Tonight
Jul 18
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
66°F |
5 to 15 mph
NW
|
|
Sunday
Jul 19
|
Patchy Smoke then Mostly Sunny
|
82°F |
5 to 10 mph
NE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
60°F |
5 to 10 mph
E
|
|
Monday
Jul 20
|
Mostly Sunny
|
84°F |
5 to 10 mph
S
|
|
Monday Night
Jul 20
|
Mostly Cloudy then Showers And Thunderstorms Likely
|
69°F |
10 to 15 mph
SW
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
86°F |
15 to 20 mph
W
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms Likely
|
61°F |
10 to 15 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
75°F |
15 mph
NW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
54°F |
5 to 15 mph
NW
|
|
Thursday
Jul 23
|
Sunny
|
79°F |
5 mph
W
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
58°F |
0 to 5 mph
SW
|
|
Friday
Jul 24
|
Mostly Sunny
|
81°F |
0 to 5 mph
SW
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
61°F |
5 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Putnam County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Putnam County.
Largest mapped city population in this region: 1,583.
