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Irwin, OH Weather Forecast | 5 Day

Updated: Mon Sep 28th 2026 2:30 PM EDT

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Irwin, OH Weather Forecast - 9-28-26 - Sunny

Sunny

Mon 9-28-26

Sunny with a high of 68°F and a low of 54°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 8mph and gusts of 11.4mph at 8 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 85% at 10 PM and 53% being its lowest at 3 PM. Barometric pressure is its highest of 30.05inHg at 10 PM, a lowest point of 29.98inHg at 4 PM with an avg 30.01inHg.

    • HI: 68°F
    • LO: 54°F
    • Rainfall: 7%
    • Snowfall: 0%
    • Wind
      7.8 mph
    • Humidity
      74% avg.
    • UV Index
      5.8
    • Air Quality
      Good
    • Sunrise
      07:27 AM
    • Sunset
      07:21 PM
    • Moonrise
      08:02 PM
    • Moonset
      09:33 AM
    • Moon Phase
      Waning Gibbous
Irwin, OH Weather Forecast - 9-29-26 - Sunny

Sunny

Weather Tomorrow, Tue 9-29-26

Sunny with a high of 70°F and a low of 55°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 15.4mph at 12 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 85% at 5 AM and 47% being its lowest at 4 PM. Barometric pressure is its highest of 30.11inHg at 11 AM, a lowest point of 30inHg at 7 PM with an avg 30.05inHg.

    • HI: 70°F
    • LO: 55°F
    • Rainfall: 6%
    • Snowfall: 0%
    • Wind
      6.5 mph
    • Humidity
      69% avg.
    • UV Index
      5.8
    • Air Quality
      Good
    • Sunrise
      07:28 AM
    • Sunset
      07:20 PM
    • Moonrise
      08:32 PM
    • Moonset
      10:41 AM
    • Moon Phase
      Waning Gibbous
Irwin, OH Weather Forecast - 9-30-26 - Sunny

Sunny

Wed 9-30-26

Sunny with a high of 78°F and a low of 59°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 11mph on average and gusts of 15.5mph at 9 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 91% at 5 AM and 36% being its lowest at 4 PM. Barometric pressure is its highest of 30.07inHg at 10 AM, a lowest point of 29.96inHg at 5 PM with an avg 30.02inHg.

    • HI: 78°F
    • LO: 59°F
    • Rainfall: 8%
    • Snowfall: 0%
    • Wind
      10.3 mph
    • Humidity
      65% avg.
    • UV Index
      5.8
    • Air Quality
      Good
    • Sunrise
      07:29 AM
    • Sunset
      07:18 PM
    • Moonrise
      09:10 PM
    • Moonset
      11:51 AM
    • Moon Phase
      Waning Gibbous
Irwin, OH Weather Forecast - 10-1-26 - Overcast

Overcast

Thu 10-1-26

Overcast with a high of 82°F and a low of 66°F. Rainfall expected to have a 57% chance with an estimated 0.07in. Wind will be moderate, blowing around 18mph on average and gusts of 34.5mph at 5 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 89% at 11 PM and 46% being its lowest at 3 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.93inHg at 5 PM with an avg 29.98inHg.

    • HI: 82°F
    • LO: 66°F
    • Rainfall: 57% | est. 0.07in
    • Snowfall: 0%
    • Wind
      17.4 mph
    • Humidity
      60% avg.
    • UV Index
      5.9
    • Air Quality
      Good
    • Sunrise
      07:30 AM
    • Sunset
      07:16 PM
    • Moonrise
      09:57 PM
    • Moonset
      01:00 PM
    • Moon Phase
      Last Quarter
Irwin, OH Weather Forecast - 10-2-26 - Overcast

Overcast

Fri 10-2-26

Overcast with a high of 73°F and a low of 53°F. It will likey rain, having a 77% chance of a downpour with an estimated 0.11in. Wind will be moderate, blowing around 15mph on average and gusts of 24mph at 8 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 98% at 5 AM and 58% being its lowest at 5 PM. Barometric pressure is its highest of 30.27inHg at 11 PM, a lowest point of 30.02inHg at 12 AM with an avg 30.13inHg.

    • HI: 73°F
    • LO: 53°F
    • Rainfall: 77% | est. 0.11in
    • Snowfall: 0%
    • Wind
      15 mph
    • Humidity
      80% avg.
    • UV Index
      4
    • Air Quality
      Good
    • Sunrise
      07:31 AM
    • Sunset
      07:15 PM
    • Moonrise
      10:55 PM
    • Moonset
      02:05 PM
    • Moon Phase
      Last Quarter
Irwin, OH Weather Forecast - 10-3-26 - Overcast

Overcast

Sat 10-3-26

Overcast with a high of 61°F and a low of 50°F. There might be light rainfall having a 13% chance. Wind will be moderate, blowing around 14mph on average and gusts of 22.2mph at 8 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 70% at 5 AM and 39% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 9 AM, a lowest point of 30.12inHg at 11 PM with an avg 30.22inHg.

    • HI: 61°F
    • LO: 50°F
    • Rainfall: 13%
    • Snowfall: 0%
    • Wind
      13.6 mph
    • Humidity
      55% avg.
    • UV Index
      4
    • Air Quality
      TBA
    • Sunrise
      07:32 AM
    • Sunset
      07:13 PM
    • Moonrise
      Does not rise today
    • Moonset
      03:02 PM
    • Moon Phase
      Last Quarter

This 5-Day weather forecast is valid for ZIP code 43029, accurately covering the area of Irwin, OH.

Currently

Sunny 67°F
30.01 inHg.
Barometer
55%
Humidity
N 10.4 mph
Wind
Sunny

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