Hourly Weather Forecast - Lansdowne, Ontario, CA

12 AM
12°F
0%
4mph
W
Mostly Cloudy
Humidity
86%
Feels like
5°F
Dew Point
9°F
1 AM
12°F
0%
4mph
W
Mostly Cloudy
Humidity
89%
Feels like
5°F
Dew Point
9°F
2 AM
12°F
0%
4mph
W
Mostly Cloudy
Humidity
88%
Feels like
5°F
Dew Point
9°F
3 AM
12°F
0%
4mph
W
Mostly Cloudy
Humidity
88%
Feels like
5°F
Dew Point
9°F
4 AM
12°F
0%
4mph
W
Mostly Cloudy
Humidity
88%
Feels like
5°F
Dew Point
9°F
5 AM
11°F
0%
4mph
W
Partly Cloudy
Humidity
88%
Feels like
4°F
Dew Point
8°F
6 AM
10°F
0%
3mph
WNW
Partly Cloudy
Humidity
91%
Feels like
4°F
Dew Point
8°F
7 AM
10°F
0%
3mph
NW
Partly Cloudy
Humidity
89%
Feels like
10°F
Dew Point
8°F
7:40 AM
8 AM
11°F
0%
3mph
NNW
Mostly Cloudy
Humidity
83%
Feels like
6°F
Dew Point
7°F
9 AM
13°F
0%
4mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
6°F
Dew Point
7°F
10 AM
14°F
0%
4mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
7°F
Dew Point
6°F
11 AM
15°F
0%
4mph
NNW
Mostly Cloudy
Humidity
67%
Feels like
8°F
Dew Point
6°F
12 PM
16°F
0%
4mph
NW
Mostly Cloudy
Humidity
63%
Feels like
10°F
Dew Point
6°F
1 PM
17°F
0%
4mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
10°F
Dew Point
5°F
2 PM
16°F
0%
4mph
WNW
Mostly Cloudy
Humidity
61%
Feels like
11°F
Dew Point
5°F
3 PM
15°F
0%
3mph
W
Mostly Cloudy
Humidity
66%
Feels like
15°F
Dew Point
6°F
4 PM
13°F
0%
2mph
W
Mostly Cloudy
Humidity
73%
Feels like
13°F
Dew Point
7°F
4:37 PM
5 PM
12°F
10%
1mph
WSW
Cloudy
Humidity
79%
Feels like
12°F
Dew Point
7°F
6 PM
10°F
10%
1mph
W
Mostly Cloudy
Humidity
86%
Feels like
10°F
Dew Point
6°F
7 PM
8°F
20%
1mph
W
Mostly Cloudy
Humidity
91%
Feels like
8°F
Dew Point
6°F
8 PM
8°F
30%
1mph
W
30% Chance of Flurries
Humidity
91%
Feels like
8°F
Dew Point
6°F
9 PM
8°F
30%
1mph
WNW
30% Chance of Flurries
Humidity
88%
Feels like
8°F
Dew Point
5°F
10 PM
8°F
40%
1mph
NW
40% Chance of Flurries
Humidity
87%
Feels like
8°F
Dew Point
5°F
11 PM
8°F
50%
1mph
NW
50% Chance of Snow
Humidity
86%
Feels like
8°F
Dew Point
4°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide