Weather forecast for tomorrow
Monday, Apr 21.
6:09 am
7:27 pm
PDT
7:27 pm
PDT
Partly Cloudy
81°F / 50°F
- Wind: 12mph W
- Humidity: 42%
- Precip. probability: 1%
- Precipitation: 0"
- UV index: 9
Tomorrow, on Monday, April 21, expect a partly sunny afternoon with variable cloud cover.
Temperature measurements will peak at a moderately hot 80.6°F, with a considerable drop to a low of a cool 50°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 80.6°F.
The expected temperature of 80.6°F resembles May's typical high of 76.6°F more than April's.
Sunrise will be at 6:09 am and sunset at 7:27 pm; tomorrow's daylight will last for 13h and 17min.
Temperature measurements will peak at a moderately hot 80.6°F, with a considerable drop to a low of a cool 50°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 80.6°F.
The expected temperature of 80.6°F resembles May's typical high of 76.6°F more than April's.
Sunrise will be at 6:09 am and sunset at 7:27 pm; tomorrow's daylight will last for 13h and 17min.
Frequently asked questions
What is the weather forecast for Riverside for tomorrow?
On Monday, high-altitude clouds may scatter across the sky, but the sun will still shine.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 50°F. The maximum heat index, which combines relative humidity and air temperature, is computed to be 80.6°F.
The highest temperature will be slightly warmer than the average maximum of 73°F in April. The lowest temperature will be in line with the average low of 50.5°F.
The highest temperature will be slightly warmer than the average maximum of 73°F in April. The lowest temperature will be in line with the average low of 50.5°F.
When is the sunrise / sunset tomorrow?
On Monday, in Riverside, sunrise will be at 6:09 am and sunset at 7:27 pm (PDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 13h and 17min.
Hourly weather forecast
12 am
- 59°F
- Feels like:
59°F
Partly Cloudy
- Wind: 1mph W
- Pressure: 29.97"Hg
- Humidity: 58%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 9mi
2 am
- 55°F
- Feels like:
55°F
Mostly Cloudy
- Wind: 1mph NW
- Pressure: 29.94"Hg
- Humidity: 65%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 9mi
4 am
- 54°F
- Feels like:
54°F
Mostly Cloudy
- Wind: 2mph E
- Pressure: 29.94"Hg
- Humidity: 74%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 9mi
6 am
- 50°F
- Feels like:
50°F
Partly Cloudy
- Wind: 1mph W
- Pressure: 29.94"Hg
- Humidity: 82%
- Precip. probability: 3%
- Precipitation: 0"
- Visibility: 9mi
Sunrise: 6:09 am
8 am
- 57°F
- Feels like:
57°F
Partly Cloudy
- Wind: 1mph NNW
- Pressure: 29.94"Hg
- Humidity: 69%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 9mi
10 am
- 66°F
- Feels like:
66°F
Mostly Sunny
- Wind: 2mph W
- Pressure: 29.94"Hg
- Humidity: 45%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 75°F
- Feels like:
75°F
Sunny
- Wind: 6mph W
- Pressure: 29.88"Hg
- Humidity: 30%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 79°F
- Feels like:
79°F
Sunny
- Wind: 9mph W
- Pressure: 29.85"Hg
- Humidity: 30%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 77°F
- Feels like:
77°F
Sunny
- Wind: 12mph W
- Pressure: 29.83"Hg
- Humidity: 31%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 73°F
- Feels like:
73°F
Sunny
- Wind: 11mph W
- Pressure: 29.85"Hg
- Humidity: 34%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 7:27 pm
8 pm
- 66°F
- Feels like:
66°F
Clear
- Wind: 7mph W
- Pressure: 29.88"Hg
- Humidity: 48%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
10 pm
- 61°F
- Feels like:
61°F
Clear
- Wind: 3mph W
- Pressure: 29.94"Hg
- Humidity: 59%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, a combination of gloomy and dry and sunny weather is expected.
The temperature will vary between a minimum of 50°F and a maximum of 78.8°F. The warmest part of the day will be at 2 pm and 3 pm.
The temperature will be more comparable to what’s typical for May than the usual maximum in April. The minimum temperature will be close to April's average low of 50.5°F.
The temperature will vary between a minimum of 50°F and a maximum of 78.8°F. The warmest part of the day will be at 2 pm and 3 pm.
The temperature will be more comparable to what’s typical for May than the usual maximum in April. The minimum temperature will be close to April's average low of 50.5°F.
Updated: Apr 20, 2025 @ 15:43:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate