Hourly Weather Forecast - Ottawa, Ontario, CA

12 AM
15°F
10%
4mph
S
Cloudy
Humidity
92%
Feels like
9°F
Dew Point
14°F
1 AM
17°F
10%
4mph
S
Cloudy
Humidity
88%
Feels like
10°F
Dew Point
14°F
2 AM
18°F
20%
4mph
S
Cloudy
Humidity
87%
Feels like
12°F
Dew Point
15°F
3 AM
19°F
20%
4mph
SSW
Cloudy
Humidity
87%
Feels like
13°F
Dew Point
16°F
4 AM
20°F
20%
4mph
SSW
Cloudy
Humidity
88%
Feels like
15°F
Dew Point
17°F
5 AM
22°F
20%
4mph
SW
Mostly Cloudy
Humidity
88%
Feels like
16°F
Dew Point
19°F
6 AM
22°F
20%
4mph
NNW
Partly Cloudy
Humidity
88%
Feels like
18°F
Dew Point
19°F
7 AM
23°F
10%
4mph
NNW
Partly Cloudy
Humidity
88%
Feels like
18°F
Dew Point
20°F
7:41 AM
8 AM
24°F
10%
3mph
NNW
Partly Cloudy
Humidity
87%
Feels like
20°F
Dew Point
21°F
9 AM
25°F
10%
4mph
NNW
Partly Cloudy
Humidity
87%
Feels like
21°F
Dew Point
22°F
10 AM
26°F
10%
4mph
NNW
Partly Cloudy
Humidity
86%
Feels like
22°F
Dew Point
23°F
11 AM
28°F
10%
4mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
23°F
Dew Point
24°F
12 PM
29°F
10%
4mph
N
Mostly Cloudy
Humidity
85%
Feels like
24°F
Dew Point
25°F
1 PM
29°F
10%
4mph
N
Mostly Cloudy
Humidity
85%
Feels like
25°F
Dew Point
25°F
2 PM
29°F
10%
4mph
NNE
Partly Cloudy
Humidity
86%
Feels like
25°F
Dew Point
26°F
3 PM
29°F
10%
4mph
NE
Mostly Cloudy
Humidity
87%
Feels like
25°F
Dew Point
26°F
4 PM
29°F
10%
4mph
NE
Cloudy
Humidity
88%
Feels like
25°F
Dew Point
26°F
4:24 PM
5 PM
29°F
20%
4mph
ENE
Cloudy
Humidity
88%
Feels like
25°F
Dew Point
26°F
6 PM
28°F
20%
4mph
ENE
Cloudy
Humidity
88%
Feels like
24°F
Dew Point
25°F
7 PM
28°F
20%
4mph
ENE
Cloudy
Humidity
87%
Feels like
23°F
Dew Point
25°F
8 PM
28°F
20%
4mph
ENE
Cloudy
Humidity
84%
Feels like
23°F
Dew Point
24°F
9 PM
27°F
20%
5mph
ENE
Cloudy
Humidity
81%
Feels like
22°F
Dew Point
22°F
10 PM
28°F
30%
5mph
ENE
30% Chance Frozen Mix
Humidity
78%
Feels like
22°F
Dew Point
21°F
11 PM
28°F
50%
6mph
ENE
50% Chance Freezing Rain
Humidity
77%
Feels like
22°F
Dew Point
22°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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