Live Weather & Forecast
Weather in Ottawa
Ohio, United States · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
70°F / Feels 70°F
Clear
Ottawa, Ohio
🌙 Nighttime
Updated: 2026-04-13 00:45
Humidity
46%
Wind
25.9 km/h SSW
Wind Gust
45.2 km/h
Pressure
1014 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
8.8°C
Wind Degree
209°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
149.9 μg/m³
NO₂
3.5 μg/m³
O₃
96 μg/m³
SO₂
5.5 μg/m³
PM 2.5
6.3 μg/m³
PM 10
6.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Ottawa, Ohio
12 AM
21°
Clear
1 AM
21°
Clear
2 AM
20°
Patchy rain nearby
3 AM
20°
Patchy rain nearby
4 AM
20°
Patchy rain nearby
5 AM
19°
Patchy rain nearby
6 AM
19°
Clear
7 AM
18°
Patchy rain nearby
8 AM
18°
Moderate rain
9 AM
19°
Light drizzle
10 AM
19°
Overcast
11 AM
20°
Cloudy
12 PM
21°
Overcast
1 PM
22°
Overcast
2 PM
23°
Thundery outbreaks in nearby
3 PM
24°
Thundery outbreaks in nearby
4 PM
24°
Thundery outbreaks in nearby
5 PM
25°
Thundery outbreaks in nearby
6 PM
25°
Thundery outbreaks in nearby
7 PM
24°
Thundery outbreaks in nearby
8 PM
22°
Sunny
9 PM
21°
Clear
10 PM
20°
Thundery outbreaks in nearby
11 PM
20°
Thundery outbreaks in nearby
3-Day Forecast
Daily overview for Ottawa, Ohio
Today
Moderate rain
25°
/
17°
🌧️ 87% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 41.8 km/h
🌧️ Total precip: 5.53 mm
☀️ UV Index: 1.1
🌅 Sunrise: 07:00 AM
🌇 Sunset: 08:14 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
22°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 32 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:59 AM
🌇 Sunset: 08:15 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Moderate rain
23°
/
19°
🌧️ 87% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 32 km/h
🌧️ Total precip: 6.58 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:57 AM
🌇 Sunset: 08:16 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Ottawa
Plan your trip to Ottawa, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Ottawa?
Current conditions in Ottawa: Clear, temperature 21°C, humidity 46%.
What is the best time to visit Ottawa?
The best time to visit Ottawa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Ottawa?
Ottawa is located at approximately 41° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Ottawa?
The wettest period in Ottawa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Ottawa?
For visits to Ottawa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Ottawa in?
Ottawa is located in United States, in the state of Ohio.
What are the public holidays in Ottawa in 2026?
View the 2026 public holidays for Ottawa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Ottawa?
The weather forecast for Ottawa uses coordinates 41.0192, -84.0472.