Chillicothe, OH Weather Forecast | 5 Day
Updated: Sun Sep 13th 2026 1:45 AM EDT
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Sunny
Sun 9-13-26
Sunny with a high of 86°F and a low of 67°F. Rainfall expected to have a 75% chance with an estimated 0.37in. Wind will be moderate, blowing around 12mph on average and gusts of 24.7mph at 9 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 98% at 7 AM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 30.06inHg at 11 PM, a lowest point of 29.93inHg at 2 AM with an avg 29.98inHg.
- HI: 86°F
- LO: 67°F
- Rainfall: 75% | est. 0.37in
- Snowfall: 0%
- Wind
11.9 mph - Humidity
78% avg. - UV Index
6.9 - Air QualityGood
- Sunrise
07:11 AM - Sunset
07:44 PM - Moonrise
09:56 AM - Moonset
08:45 PM - Moon Phase
Waxing Crescent
Overcast
Weather Tomorrow, Mon 9-14-26
Overcast with a high of 73°F and a low of 54°F. Rainfall expected to have a 57% chance with an estimated 0.05in. Winds will be light at 10mph and gusts of 23.3mph at 4 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 94% at 12 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 30.26inHg at 9 AM, a lowest point of 30.08inHg at 12 AM with an avg 30.19inHg.
- HI: 73°F
- LO: 54°F
- Rainfall: 57% | est. 0.05in
- Snowfall: 0%
- Wind
9.6 mph - Humidity
68% avg. - UV Index
6.4 - Air QualityGood
- Sunrise
07:12 AM - Sunset
07:42 PM - Moonrise
11:09 AM - Moonset
09:16 PM - Moon Phase
Waxing Crescent
Sunny
Tue 9-15-26
Sunny with a high of 87°F and a low of 51°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 7mph and gusts of 13.4mph at 12 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 88% at 7 AM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 30.22inHg at 8 AM, a lowest point of 30.12inHg at 6 PM with an avg 30.18inHg.
- HI: 87°F
- LO: 51°F
- Rainfall: 5%
- Snowfall: 0%
- Wind
6.7 mph - Humidity
67% avg. - UV Index
7.1 - Air QualityGood
- Sunrise
07:13 AM - Sunset
07:41 PM - Moonrise
12:20 PM - Moonset
09:51 PM - Moon Phase
Waxing Crescent
Sunny
Wed 9-16-26
Sunny with a high of 91°F and a low of 68°F. Rainfall expected to have a 65% chance with an estimated 0.14in. Winds will be light at 7mph and gusts of 15mph at 3 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 94% at 5 AM and 46% being its lowest at 5 PM. Barometric pressure is its highest of 30.26inHg at 12 PM, a lowest point of 30.13inHg at 5 PM with an avg 30.19inHg.
- HI: 91°F
- LO: 68°F
- Rainfall: 65% | est. 0.14in
- Snowfall: 0%
- Wind
6.3 mph - Humidity
77% avg. - UV Index
6.9 - Air QualityGood
- Sunrise
07:14 AM - Sunset
07:39 PM - Moonrise
01:28 PM - Moonset
10:33 PM - Moon Phase
First Quarter
Mist
Thu 9-17-26
Mist with a high of 91°F and a low of 70°F. Rainfall expected to have a 61% chance with an estimated 0.07in. Winds will be light at 8mph and gusts of 14.5mph at 3 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 96% at 7 AM and 46% being its lowest at 5 PM. Barometric pressure is its highest of 30.21inHg at 12 AM, a lowest point of 30.03inHg at 5 PM with an avg 30.12inHg.
- HI: 91°F
- LO: 70°F
- Rainfall: 61% | est. 0.07in
- Snowfall: 0%
- Wind
7.6 mph - Humidity
78% avg. - UV Index
7 - Air QualityGood
- Sunrise
07:15 AM - Sunset
07:37 PM - Moonrise
02:30 PM - Moonset
11:21 PM - Moon Phase
First Quarter
Scattered Showers
Fri 9-18-26
Scattered Showers with a high of 72°F and a low of 57°F. It will likey rain, having a 86% chance of a downpour with an estimated 0.16in. Wind will be moderate, blowing around 15mph on average and gusts of 29.5mph at 8 PM. High humidity with average of 95% is anticipated, the maximum being 98% at 8 AM and 91% being its lowest at 11 AM. Barometric pressure is its highest of 30.06inHg at 1 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.02inHg.
- HI: 72°F
- LO: 57°F
- Rainfall: 86% | est. 0.16in
- Snowfall: 0%
- Wind
14.3 mph - Humidity
95% avg. - UV Index
5 - Air QualityTBA
- Sunrise
07:16 AM - Sunset
07:36 PM - Moonrise
03:24 PM - Moonset
Does not set today - Moon Phase
First Quarter
This 5-Day weather forecast is valid for ZIP code 45601, accurately covering the area of Chillicothe, OH.
Currently
 |
69°F |
29.93 inHg.
Barometer 90%
Humidity SSW 3.6 mph Wind |
| Heavy Rain At Times | ||
National Outlook
Rain and Thunder in Central and Eastern U.S., Cool in Northwest 09-12 to 09-14
Sat Sep 12th 2026, 5:56am PDT
Read
Watch Out: Heat and Storms Ahead - 09-14 to 09-18
Extended Forecast
Sat Sep 12th 2026, 6:03am PDT
Read
Sat Sep 12th 2026, 6:03am PDT
5 Day Forecast Nearby
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