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Ottawa OH Weather - Clear - 80°F
Clear
80°F
Updated 10:46 am
Feels Like 82°F
Humidity 83%
Wind WSW 12 mph
Barometer  30.08 in
Dew Point 75°F
Ottawa OH Weather - Clear - 27°C
Clear
27°C
Updated 10:46 am
Feels Like 28°C
Humidity 83%
Wind WSW 19 km/h
Barometer  101.8 kPa
Dew Point 24°C
Ottawa, OH Weather and Current Conditionsottawa oh weather forecast

Ottawa, OH Weather Forecast

Ottawa Ohio WeatherOttawa, Ohio Weather Weather Forecast
14 day API weather forecast for Ottawa, Ohio. Note: The 7-day weather forecast for Ottawa, OH is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Ottawa, OH Weather Forecast Dated: 1046 AM Wed Sep 09 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.

Wednesday, September 9, 2026

Mid-Morning
Ottawa Weather - 2026-09-09 - Morning - Overcast
75°F 24°C
Overcast
Mid-Afternoon
Ottawa Weather - 2026-09-09 - Afternoon - Heavy Rain
78°F 26°C
Heavy Rain
Early-Evening
Ottawa Weather - 2026-09-09 - Evening - Scattered Showers
78°F 26°C
Scattered Showers
Pleasant near 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds turning from the SSW to the W at 7 mph 11 km/h.

Thursday, September 10, 2026

Mid-Morning
Ottawa Weather - 2026-09-10 - Morning - Overcast
69°F 21°C
Overcast
Mid-Afternoon
Ottawa Weather - 2026-09-10 - Afternoon - Light Showers
76°F 25°C
Light Showers
Early-Evening
Ottawa Weather - 2026-09-10 - Evening - Overcast
70°F 21°C
Overcast
Comfortable with temperatures reaching 76°F 25°C, clouds building with afternoon showers likely, with steady humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Ottawa Weather - 2026-09-11 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Ottawa Weather - 2026-09-11 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Ottawa Weather - 2026-09-11 - Evening - Overcast
73°F 23°C
Overcast
Enjoyable around 77°F 25°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Ottawa Weather - 2026-09-12 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Ottawa Weather - 2026-09-12 - Afternoon - Scattered Showers
78°F 26°C
Scattered Showers
Early-Evening
Ottawa Weather - 2026-09-12 - Evening - Light Showers
75°F 24°C
Light Showers
Mild temperatures up to 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Ottawa Weather - 2026-09-13 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Ottawa Weather - 2026-09-13 - Afternoon - Partly Cloudy
83°F 28°C
Partly Cloudy
Early-Evening
Ottawa Weather - 2026-09-13 - Evening - Overcast
78°F 26°C
Overcast
Very warm with a high of 83°F 28°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Ottawa Weather - 2026-09-14 - Morning - Partly Cloudy
72°F 22°C
Partly Cloudy
Mid-Afternoon
Ottawa Weather - 2026-09-14 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Ottawa Weather - 2026-09-14 - Evening - Sunny
79°F 26°C
Sunny
Warm and summery near 82°F 28°C, partly cloudy throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the S at 11 mph 18 km/h.

Tuesday, September 15, 2026

Mid-Morning
Ottawa Weather - 2026-09-15 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Ottawa Weather - 2026-09-15 - Afternoon - Scattered Showers
79°F 26°C
Scattered Showers
Early-Evening
Ottawa Weather - 2026-09-15 - Evening - Partly Cloudy
74°F 24°C
Partly Cloudy
Comfortable with temperatures reaching 79°F 26°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds moving from the SW to the NW at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Ottawa Weather - 2026-09-16 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Ottawa Weather - 2026-09-16 - Afternoon - Partly Cloudy
74°F 23°C
Partly Cloudy
Early-Evening
Ottawa Weather - 2026-09-16 - Evening - Cloudy
69°F 21°C
Cloudy
Enjoyable around 74°F 23°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NE to the E at 8 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
Ottawa Weather - 2026-09-17 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
Ottawa Weather - 2026-09-17 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Ottawa Weather - 2026-09-17 - Evening - Scattered Showers
66°F 19°C
Scattered Showers
Mild temperatures up to 72°F 22°C, locally heavy downpours at times, with lower humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Ottawa Weather - 2026-09-18 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Ottawa Weather - 2026-09-18 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Ottawa Weather - 2026-09-18 - Evening - Sunny
69°F 21°C
Sunny
Mild with a high of 73°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Ottawa Weather - 2026-09-19 - Morning - Light Showers
62°F 17°C
Light Showers
Mid-Afternoon
Ottawa Weather - 2026-09-19 - Afternoon - Light Showers
66°F 19°C
Light Showers
Early-Evening
Ottawa Weather - 2026-09-19 - Evening - Scattered Showers
68°F 20°C
Scattered Showers
Comfortable at 66°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds shifting from the S to the SE at 7 mph 12 km/h.

Sunday, September 20, 2026

Mid-Morning
Ottawa Weather - 2026-09-20 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Ottawa Weather - 2026-09-20 - Afternoon - Scattered Showers
71°F 22°C
Scattered Showers
Early-Evening
Ottawa Weather - 2026-09-20 - Evening - Scattered Showers
70°F 21°C
Scattered Showers
Comfortable with temperatures reaching 71°F 22°C, locally heavy downpours at times, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Ottawa Weather - 2026-09-21 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Ottawa Weather - 2026-09-21 - Afternoon - Scattered Showers
74°F 23°C
Scattered Showers
Early-Evening
Ottawa Weather - 2026-09-21 - Evening - Overcast
70°F 21°C
Overcast
Enjoyable around 74°F 23°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WSW to the NE at 8 mph 12 km/h.

Tuesday, September 22, 2026

Mid-Morning
Ottawa Weather - 2026-09-22 - Morning - Light Showers
67°F 20°C
Light Showers
Mid-Afternoon
Ottawa Weather - 2026-09-22 - Afternoon - Scattered Showers
78°F 26°C
Scattered Showers
Early-Evening
Ottawa Weather - 2026-09-22 - Evening - Scattered Showers
76°F 24°C
Scattered Showers
Mild temperatures up to 78°F 26°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds switching from the E to the WSW at 8 mph 13 km/h.

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Weather by the Numbers

Wed, 9th
Ottawa OH Weather - Wednesday, Sep 9, 2026 - Partly Cloudy
Hi: 87°F 31°C
Lo: 68°F 20°C
Sunrise 07:11 AM
Sunset 07:55 PM
Wind WSW 14 mph23 km/h
Dew Point 73°F23°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 6% *
Humidity 63%
Thu, 10th
Ottawa OH Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 77°F 25°C
Lo: 67°F 19°C
Sunrise 07:12 AM
Sunset 07:54 PM
Wind N 3 mph5 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 23% *
Humidity 74%
Fri, 11th
Ottawa OH Weather - Friday, Sep 11, 2026 - Sunny
Hi: 78°F 25°C
Lo: 60°F 16°C
Sunrise 07:13 AM
Sunset 07:52 PM
Wind SE 4 mph6 km/h
Dew Point 60°F15°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 4% *
Humidity 62%
Sat, 12th
Ottawa OH Weather - Saturday, Sep 12, 2026 - Partly Cloudy
Hi: 79°F 26°C
Lo: 64°F 18°C
Sunrise 07:14 AM
Sunset 07:50 PM
Wind SSE 8 mph13 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 8% *
Humidity 71%
Sun, 13th
Ottawa OH Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 83°F 28°C
Lo: 67°F 19°C
Sunrise 07:15 AM
Sunset 07:49 PM
Wind W 5 mph8 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 4% *
Humidity 62%
Mon, 14th
Ottawa OH Weather - Monday, Sep 14, 2026 - Sunny
Hi: 82°F 28°C
Lo: 70°F 21°C
Sunrise 07:16 AM
Sunset 07:47 PM
Wind S 9 mph15 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 5% *
Humidity 62%
Tue, 15th
Ottawa OH Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 80°F 26°C
Lo: 67°F 20°C
Sunrise 07:17 AM
Sunset 07:45 PM
Wind W 9 mph15 km/h
Dew Point 69°F21°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 21% *
Humidity 76%
Wed, 16th
Ottawa OH Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 75°F 24°C
Lo: 60°F 15°C
Sunrise 07:18 AM
Sunset 07:44 PM
Wind ENE 9 mph15 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 11% *
Humidity 66%
Thu, 17th
Ottawa OH Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 73°F 23°C
Lo: 58°F 15°C
Sunrise 07:19 AM
Sunset 07:42 PM
Wind NE 7 mph12 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 30.3 in1026 mb
POP 10% *
Humidity 60%
Fri, 18th
Ottawa OH Weather - Friday, Sep 18, 2026 - Sunny
Hi: 74°F 24°C
Lo: 56°F 13°C
Sunrise 07:20 AM
Sunset 07:40 PM
Wind ESE 5 mph8 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 2% *
Humidity 52%
Sat, 19th
Ottawa OH Weather - Saturday, Sep 19, 2026 - Light Rain Shower
Hi: 68°F 20°C
Lo: 61°F 16°C
Sunrise 07:21 AM
Sunset 07:39 PM
Wind S 14 mph23 km/h
Dew Point 60°F16°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 63% *
Humidity 89%
Sun, 20th
Ottawa OH Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 72°F 22°C
Lo: 65°F 18°C
Sunrise 07:22 AM
Sunset 07:37 PM
Wind NE 8 mph13 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 29.85 in1011 mb
POP 29% *
Humidity 90%
Mon, 21st
Ottawa OH Weather - Monday, Sep 21, 2026 - Overcast
Hi: 74°F 23°C
Lo: 64°F 18°C
Sunrise 07:23 AM
Sunset 07:35 PM
Wind NNE 7 mph11 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 17% *
Humidity 68%
Tue, 22nd
Ottawa OH Weather - Tuesday, Sep 22, 2026 - Light Rain Shower
Hi: 78°F 26°C
Lo: 65°F 18°C
Sunrise 07:24 AM
Sunset 07:34 PM
Wind SE 6 mph10 km/h
Dew Point 67°F20°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 44% *
Humidity 81%
* POP = Probability of Precipitation. Data for 12:00 PM.