Hourly Weather Forecast - Waterdown, Ontario, CA

12 AM
33°F
30%
1mph
S
30% Chance of Light Rain
Humidity
77%
Feels like
33°F
Dew Point
26°F
1 AM
32°F
30%
1mph
S
30% Chance of Flurries
Humidity
81%
Feels like
32°F
Dew Point
27°F
2 AM
32°F
20%
1mph
SSW
Cloudy
Humidity
86%
Feels like
32°F
Dew Point
28°F
3 AM
31°F
10%
1mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
31°F
Dew Point
28°F
4 AM
30°F
20%
1mph
WSW
Mostly Cloudy
Humidity
93%
Feels like
30°F
Dew Point
28°F
5 AM
29°F
30%
1mph
W
30% Chance Snow Showers
Humidity
93%
Feels like
29°F
Dew Point
28°F
6 AM
30°F
30%
1mph
N
30% Chance of Flurries
Humidity
92%
Feels like
30°F
Dew Point
28°F
7 AM
30°F
20%
0mph
ENE
Mostly Cloudy
Humidity
90%
Feels like
30°F
Dew Point
28°F
7:50 AM
8 AM
32°F
10%
0mph
E
Mostly Cloudy
Humidity
87%
Feels like
32°F
Dew Point
29°F
9 AM
35°F
10%
0mph
SE
Mostly Cloudy
Humidity
83%
Feels like
35°F
Dew Point
30°F
10 AM
37°F
10%
0mph
SSE
Mostly Cloudy
Humidity
77%
Feels like
37°F
Dew Point
31°F
11 AM
39°F
10%
0mph
ESE
Mostly Cloudy
Humidity
71%
Feels like
39°F
Dew Point
31°F
12 PM
40°F
10%
0mph
E
Mostly Cloudy
Humidity
66%
Feels like
40°F
Dew Point
30°F
1 PM
41°F
10%
1mph
E
Mostly Cloudy
Humidity
64%
Feels like
41°F
Dew Point
30°F
2 PM
41°F
10%
1mph
E
Mostly Cloudy
Humidity
66%
Feels like
41°F
Dew Point
30°F
3 PM
40°F
10%
1mph
E
Partly Cloudy
Humidity
70%
Feels like
40°F
Dew Point
31°F
4 PM
39°F
30%
2mph
E
30% Chance of Light Rain
Humidity
72%
Feels like
39°F
Dew Point
31°F
4:48 PM
5 PM
38°F
30%
2mph
E
30% Chance of Light Rain
Humidity
75%
Feels like
38°F
Dew Point
31°F
6 PM
38°F
40%
2mph
ESE
40% Chance of Light Rain
Humidity
75%
Feels like
38°F
Dew Point
31°F
7 PM
38°F
40%
2mph
ESE
40% Chance of Light Rain
Humidity
78%
Feels like
38°F
Dew Point
32°F
8 PM
39°F
30%
3mph
ESE
30% Chance of Light Rain
Humidity
74%
Feels like
39°F
Dew Point
32°F
9 PM
40°F
30%
3mph
SE
30% Chance of Light Rain
Humidity
75%
Feels like
38°F
Dew Point
32°F
10 PM
40°F
40%
4mph
SSE
40% Chance of Light Rain
Humidity
77%
Feels like
37°F
Dew Point
33°F
11 PM
39°F
40%
4mph
S
40% Chance of Light Rain
Humidity
79%
Feels like
36°F
Dew Point
33°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

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Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

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Watch vs. Warning

Flash Flood Watch and Warning Defined

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