Ottawa, OH weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Ottawa now

Loading the National Weather Service forecast…

Ottawa weather by the hour

Ottawa weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Ottawa.

This week in Ottawa

Sunrise, sunset and moon in Ottawa

What is the weather usually like in Ottawa?

Dfa
Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

15°34°53°71°90°35°20°Jan38°23°Feb49°31°Mar62°41°Apr74°52°May82°62°Jun85°65°Jul83°63°Aug78°55°Sep65°45°Oct51°35°Nov39°26°Dec

Average precipitation (inches)

2.6"Jan2.2"Feb2.6"Mar3.8"Apr4.4"May4.3"Jun4.0"Jul3.5"Aug3.1"Sep2.8"Oct2.8"Nov2.6"Dec

Best time to visit Ottawa: May–June and August–September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PANDORA, OH US (USC00336405), adjusted for the elevation of Ottawa.

Ottawa weather month by month

January
35° 20°F
2.6 in of rain · 6 wet days❄ 10.6 in of snow
February
38° 23°F
2.2 in of rain · 5 wet days❄ 8.3 in of snow
March
49° 31°F
2.6 in of rain · 6 wet days❄ 4.3 in of snow
April
62° 41°F
3.8 in of rain · 8 wet days❄ 0.8 in of snow
May
74° 52°F
4.4 in of rain · 9 wet days
June
82° 62°F
4.3 in of rain · 7 wet days
July
85° 65°F
4.0 in of rain · 7 wet days
August
83° 63°F
3.5 in of rain · 5 wet days
September
78° 55°F
3.1 in of rain · 6 wet days
October
65° 45°F
2.8 in of rain · 6 wet days❄ 0.1 in of snow
November
51° 35°F
2.8 in of rain · 6 wet days❄ 1.9 in of snow
December
39° 26°F
2.6 in of rain · 6 wet days❄ 6.5 in of snow

Sunrise and sunset in Ottawa through the year

MonthSunriseSunsetDaylight
January7:57 AM5:34 PM9 h 37 min
February7:28 AM6:11 PM10 h 43 min
March7:45 AM7:44 PM11 h 58 min
April6:54 AM8:17 PM13 h 22 min
May6:16 AM8:48 PM14 h 32 min
June6:01 AM9:11 PM15 h 9 min
July6:15 AM9:08 PM14 h 53 min
August6:44 AM8:36 PM13 h 51 min
September7:15 AM7:46 PM12 h 31 min
October7:46 AM6:57 PM11 h 10 min
November7:22 AM5:19 PM9 h 56 min
December7:52 AM5:10 PM9 h 17 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in Ottawa?

Ottawa has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 20°F (-6°C).

It gets about 38.7 inches (982 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 32 inches fall in an average year.

The best time to visit Ottawa is May–June and August–September. At 466 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Ottawa

Weather in towns near Ottawa

Questions about the weather in Ottawa

What is the hottest month in Ottawa?

July, with an average high of 85°F (30°C).

What is the coldest month in Ottawa?

January, with an average low of 20°F (-6°C).

How much does it rain in Ottawa?

About 38.7 inches (982 mm) a year; the wettest month is May.

Does it snow in Ottawa?

Yes, about 32 inches of snow fall in an average year.

When is the best time to visit Ottawa?

May–June and August–September, when temperatures are most pleasant and rainy days are fewer.

What climate does Ottawa have?

Hot-summer humid continental (Köppen Dfa).

What is the weather like in Ottawa in November?

Highs average 51°F and lows 35°F, with about 2.8 inches of precipitation.

What time is sunrise in Ottawa?

Around 7:22 AM in mid-November, and sunset around 5:19 PM. Today’s exact times are shown above.

Where does this Ottawa weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Ottawa.

All about Ottawa ›

Last updated: