Weather forecast for 10 daysRiverdale Park, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 88°F
- 50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphN 1°
- Humidity: 39%
- UV index: 5
- Sunrise: 7:15 am PDT
- Sunset: 6:22 pm PDT
- details ▼
Today, the outlook remains bright and sunny.
Significant temperature fluctuations from a high of a humid 87.8°F to a low of a fresh 50°F are forecasted.
Today, the anticipated high of 87.8°F is expected to reflect September's average high of 90.9°F.
Sunrise will be at 7:15 am and sunset at 6:22 pm; the daylight will last for 11h and 7min.
Significant temperature fluctuations from a high of a humid 87.8°F to a low of a fresh 50°F are forecasted.
Today, the anticipated high of 87.8°F is expected to reflect September's average high of 90.9°F.
Sunrise will be at 7:15 am and sunset at 6:22 pm; the daylight will last for 11h and 7min.
10-day overview
Daily temperatures
Warmest day: today 88°C.
Coldest day: Wednesday 64°C.
Coldest day: Wednesday 64°C.
Chance of precipitation
Highest chance: Wednesday 48%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 88°F
- 50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphN 1°
- Humidity: 39%
- UV index: 5
- Sunrise: 7:15 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 75°F
- 50°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphNNW 330°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:16 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 55°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0.04"
- Wind: 7mphNNW 333°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:17 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 54°F
Showers
- Precip. probability: 48%
- Precipitation: 0.2"
- Wind: 7mphNW 310°
- Humidity: 73%
- UV index: 2
- Sunrise: 7:18 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 52°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphNNW 333°
- Humidity: 77%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 48°F
Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 9mphNW 324°
- Humidity: 69%
- UV index: 5
- Sunrise: 7:20 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphN 352°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:21 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 46°F
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 7mphNNW 329°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:22 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 46°F
Mostly Sunny
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 7mphNNW 327°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:23 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 73°F
- 46°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphNNW 328°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:11 pm PDT
- details ▼
For the next ten days, a combination of primarily clear and occasionally overcast and rain-soaked weather is expected.
With a 48% probability, rainfall is expected only on Wednesday. The precipitation will be light at 0.2".
Substantial differences in temperature are forecasted in the coming days. The temperature is expected to swing from 64.4°F up to 87.8°F, while nighttime temperatures are expected to vary from 46.4°F to 55.4°F.
With a high of 87.8°F, today is the hottest day; the coldest day will be Wednesday, with a maximum of 64.4°F.
With a 48% probability, rainfall is expected only on Wednesday. The precipitation will be light at 0.2".
Substantial differences in temperature are forecasted in the coming days. The temperature is expected to swing from 64.4°F up to 87.8°F, while nighttime temperatures are expected to vary from 46.4°F to 55.4°F.
With a high of 87.8°F, today is the hottest day; the coldest day will be Wednesday, with a maximum of 64.4°F.
Updated: Oct 18, 2026 @ 13:28:25 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
Frequently asked questions
Today, in Riverdale Park, the forecast calls for abundant sunshine.
Today, the highest temperature will be 87.8°F, while the lowest temperature will be 50°F.
The maximum temperature will be noticeably higher than the average highest temperature of 77.9°F in October. The lowest temperature will be a couple of degrees lower than the average low of 54.5°F.
The maximum temperature will be noticeably higher than the average highest temperature of 77.9°F in October. The lowest temperature will be a couple of degrees lower than the average low of 54.5°F.
On Sunday, in Riverdale Park, sunrise will be at 7:15 am and sunset at 6:22 pm (PDT).
In Riverdale Park, the length of the day today will be 11h and 7min.
