Weather Alert
Putnam County Weather Warning NWS WEATHER ALERT FOR THE PUTNAM COUNTY, OH AREA - HARD FROST ADVISORY Issued: 104 PM EDT Sun Oct 18 2026 Putnam County Weather Warning

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Putnam County, OH Weather Forecast

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Putnam County, OH Weather Forecast

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Putnam County OH weather - Clear - 59°F
Clear
59°F
Updated 7:16 pm
Feels Like 48°F
Humidity 33%
Wind S 5 mph
Barometer  30.46 in
Dew Point 30°F
Putnam County OH weather - Clear - 15°C
Clear
15°C
Updated 7:16 pm
Feels Like 9°C
Humidity 33%
Wind S 8 km/h
Barometer  103.1 kPa
Dew Point -1°C
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Putnam County Weather Forecast

THIS AFTERNOON TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Putnam County, OH Weather - This Afternoon Sunny Putnam County, OH Weather - Tonight Clear Putnam County, OH Weather - Monday Sunny Putnam County, OH Weather - Monday Night Clear Putnam County, OH Weather - Tuesday Mostly Sunny Putnam County, OH Weather - Tuesday Night Mostly Clear Putnam County, OH Weather - Wednesday Mostly Sunny Putnam County, OH Weather - Wednesday Night Clear Putnam County, OH Weather - Thursday Mostly Sunny Putnam County, OH Weather - Thursday Night Mostly Clear Putnam County, OH Weather - Friday Mostly Sunny Putnam County, OH Weather - Friday Night Clear
Sunny Clear Sunny Clear Mostly Sunny Mostly Clear Mostly Sunny Clear Mostly Sunny Mostly Clear Mostly Sunny Clear
Hi: 61°FHi: 16°C
 Lo: 35°FLo: 2°C Hi: 69°FHi: 21°C
 Lo: 39°FLo: 4°C Hi: 69°FHi: 21°C
 Lo: 41°FLo: 5°C Hi: 69°FHi: 21°C
 Lo: 40°FLo: 4°C Hi: 70°FHi: 21°C
 Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
 Lo: 41°FLo: 5°C
POP = Probability of Precipitation.
Weather Outlook Updated: 313 PM EDT Sun Oct 18 2026 Putnam County, OH Weather - WeatherWorld.com

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Issued: 115 PM EDT Sun Oct 18 2026

Key Messages

  • Another cool night with lows in the mid 30s and areas of frost expected.
  • A frost advisory is in effect for our Indiana and Ohio counties late tonight into early Monday morning. The growing season has ended for the state of Michigan.
  • Dry and pleasant weather persists through the entire week with highs around 70, lows in the 40s, and no rain in sight.

Discussion

... Issued at 115 PM EDT Sun Oct 18 2026

Main forecast concern for this package is overnight lows and subsequent frost headlines...