Hourly Weather Forecast - River Valley, Ontario, CA

12 AM
20°F
0%
7mph
SW
Mostly Clear
Humidity
75%
Feels like
11°F
Dew Point
13°F
1 AM
19°F
0%
6mph
SW
Partly Cloudy
Humidity
77%
Feels like
11°F
Dew Point
13°F
2 AM
19°F
0%
6mph
SW
Partly Cloudy
Humidity
78%
Feels like
10°F
Dew Point
13°F
3 AM
18°F
0%
6mph
SW
Partly Cloudy
Humidity
79%
Feels like
10°F
Dew Point
13°F
4 AM
17°F
0%
5mph
SW
Mostly Clear
Humidity
81%
Feels like
10°F
Dew Point
13°F
5 AM
17°F
0%
5mph
SW
Mostly Clear
Humidity
81%
Feels like
10°F
Dew Point
13°F
6 AM
17°F
0%
4mph
SSW
Mostly Clear
Humidity
82%
Feels like
10°F
Dew Point
13°F
6:47 AM
7 AM
18°F
0%
4mph
SSW
Partly Cloudy
Humidity
82%
Feels like
11°F
Dew Point
13°F
8 AM
19°F
0%
5mph
S
Mostly Cloudy
Humidity
81%
Feels like
12°F
Dew Point
14°F
9 AM
22°F
0%
6mph
S
Mostly Cloudy
Humidity
76%
Feels like
15°F
Dew Point
16°F
10 AM
27°F
0%
7mph
S
Cloudy
Humidity
69%
Feels like
19°F
Dew Point
18°F
11 AM
31°F
0%
8mph
S
Cloudy
Humidity
62%
Feels like
23°F
Dew Point
19°F
12 PM
34°F
0%
10mph
SSW
Mostly Cloudy
Humidity
56%
Feels like
26°F
Dew Point
20°F
1 PM
36°F
0%
11mph
SSW
Mostly Cloudy
Humidity
51%
Feels like
28°F
Dew Point
20°F
2 PM
38°F
10%
12mph
SSW
Mostly Cloudy
Humidity
47%
Feels like
30°F
Dew Point
20°F
3 PM
39°F
10%
12mph
SSW
Mostly Cloudy
Humidity
46%
Feels like
31°F
Dew Point
20°F
4 PM
39°F
10%
11mph
SSW
Mostly Cloudy
Humidity
47%
Feels like
32°F
Dew Point
20°F
5 PM
39°F
10%
10mph
SSW
Cloudy
Humidity
48%
Feels like
32°F
Dew Point
21°F
6 PM
38°F
20%
9mph
S
Cloudy
Humidity
53%
Feels like
31°F
Dew Point
22°F
7 PM
36°F
20%
8mph
S
Cloudy
Humidity
59%
Feels like
30°F
Dew Point
23°F
7:58 PM
8 PM
35°F
20%
7mph
SSE
Cloudy
Humidity
64%
Feels like
29°F
Dew Point
24°F
9 PM
35°F
20%
8mph
SSE
Cloudy
Humidity
66%
Feels like
28°F
Dew Point
24°F
10 PM
35°F
30%
9mph
SSE
30% Chance of Flurries
Humidity
67%
Feels like
28°F
Dew Point
25°F
11 PM
35°F
30%
10mph
SSE
30% Chance of Flurries
Humidity
68%
Feels like
27°F
Dew Point
26°F

Today's Weather Outlook

Today's Weather Outlook

A potent weather system traverses the U.S. this weekend, bringing everything from accumulating snow and ice to rainy, stormy weather.

Weekly Drought Map for April 2, 2026

Substantial Drying Leads To Worsening Drought Depiction Nationwide

(Image provided by Manfred Richter via Pixabay.com)

Plant Care: What to Do When Frosts and Freezes Occur?

(Image provided by Pixabay.com)

Before a High Wind Event

Severe storm moving over the Texas Panhandle

What Is A Severe Thunderstorm?

Featured image via Pixabay.com

Drought Impacts: It's More Than You Think!

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