Weather forecast for 10 daysPenryn, CA
Weather forecast for the weekend
Saturday Oct 17, 2026
- 90°F
- 61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphW 271°
- Humidity: 16%
- UV index: 5
- Sunrise: 7:16 am PDT
- Sunset: 6:23 pm PDT
- details ▼
Today, on Saturday, October 17, sunny and dry conditions are anticipated.
Temperature is predicted to hit a high of a hot 89.6°F during the day, dipping to a low of a breezy 60.8°F at night.
Today, the temperature will be higher and more consistent with September's typical high of 85.8°F than with October's 73.6°F.
Sunrise was at 7:16 am and sunset will be at 6:23 pm; the daylight will last for 11h and 7min.
Temperature is predicted to hit a high of a hot 89.6°F during the day, dipping to a low of a breezy 60.8°F at night.
Today, the temperature will be higher and more consistent with September's typical high of 85.8°F than with October's 73.6°F.
Sunrise was at 7:16 am and sunset will be at 6:23 pm; the daylight will last for 11h and 7min.
Sunday Oct 18, 2026
- 84°F
- 52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 173°
- Humidity: 25%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:22 pm PDT
- details ▼
Tomorrow, in Penryn, expect bright skies and plenty of sunshine.
Daytime will experience a high of a moderately hot 84.2°F, significantly differing from the expected night low of a crisp 51.8°F.
The expected high of 84.2°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:17 am and sunset at 6:22 pm; tomorrow's daylight will last for 11h and 5min.
Daytime will experience a high of a moderately hot 84.2°F, significantly differing from the expected night low of a crisp 51.8°F.
The expected high of 84.2°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:17 am and sunset at 6:22 pm; tomorrow's daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: today 90°C.
Coldest day: Thursday 66°C.
Coldest day: Thursday 66°C.
Chance of precipitation
Highest chance: Thursday 37%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 90°F
- 61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphW 271°
- Humidity: 16%
- UV index: 5
- Sunrise: 7:16 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 84°F
- 52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 173°
- Humidity: 25%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 50°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 179°
- Humidity: 46%
- UV index: 5
- Sunrise: 7:18 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 57°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSW 222°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:19 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 55°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 6mphS 178°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 54°F
Showers
- Precip. probability: 37%
- Precipitation: 0.04"
- Wind: 7mphS 190°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:21 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 68°F
- 50°F
Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphSSW 212°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:22 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 54°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 193°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:23 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 7mphS 191°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 7mphSW 215°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:11 pm PDT
- details ▼
For the next ten days, a combination of dull, clear and rainy weather is anticipated.
Rainfall is predicted for Wednesday and Thursday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 66.2°F and 89.6°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 48.2°F and 60.8°F.
The hottest day is today, with a maximum temperature of 89.6°F; Thursday will be the coldest day, with the highest temperature of 66.2°F.
Rainfall is predicted for Wednesday and Thursday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 66.2°F and 89.6°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 48.2°F and 60.8°F.
The hottest day is today, with a maximum temperature of 89.6°F; Thursday will be the coldest day, with the highest temperature of 66.2°F.
Updated: Oct 17, 2026 @ 20:44:13 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
On Saturday, in Penryn, sunshine is expected with little to no cloud cover.
Today, the maximum temperature will be 89.6°F, while the minimum temperature will be 60.8°F.
Today, the maximum temperature will be uncommonly higher than the average highest temperature of 73.6°F in October. Today, the lowest temperature will be slightly warmer than the average low temperature.
Today, the maximum temperature will be uncommonly higher than the average highest temperature of 73.6°F in October. Today, the lowest temperature will be slightly warmer than the average low temperature.
On Saturday, in Penryn, sunrise was at 7:16 am and sunset will be at 6:23 pm (PDT).
In Penryn, today, there will be 11h and 7min of daylight.
On Sunday, in Penryn, expect sunny weather with a crisp, clear sky.
Tomorrow, the maximum temperature will be 84.2°F, while the minimum temperature will be 51.8°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 73.6°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 73.6°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Penryn, sunrise will be at 7:17 am and sunset at 6:22 pm (PDT).
Tomorrow, the daylight will last for 11h and 5min.
