San Luis Obispo 7-day weather forecast

Written by:
September 8, 2025
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San Luis Obispo 7-day weather forecast

Stacker created the forecast for San Luis Obispo, California using data from OpenWeather. This week's high is 85 °F on Tuesday, while the low is 59 °F on Monday. There are expected to be 3 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 82 °F, low of 59 °F (39% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:45 AM, sunset at 7:09 PM
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Tuesday, September 16

- High of 85 °F, low of 66 °F (30% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:46 AM, sunset at 7:08 PM
2 / 6
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Wednesday, September 17

- High of 80 °F, low of 65 °F (37% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:47 AM, sunset at 7:07 PM
3 / 6
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Thursday, September 18

- High of 72 °F, low of 65 °F (67% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:47 AM, sunset at 7:05 PM
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Friday, September 19

- High of 70 °F, low of 65 °F (97% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light air (3 mph wind)
- Sunrise at 6:48 AM, sunset at 7:04 PM
5 / 6
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Saturday, September 20

- High of 75 °F, low of 62 °F (75% humidity)
- Partly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:49 AM, sunset at 7:02 PM
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6 / 6
Piyawat Nandeenopparit // Shutterstock

Sunday, September 21

- High of 75 °F, low of 60 °F (57% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:50 AM, sunset at 7:01 PM
- New moon

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