Sun Valley, CA Weather Forecast | 5 Day
Updated: Thu Aug 27th 2026 11:00 PM PDT
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Overcast
Thu 8-27-26
- HI: 107°F
- LO: 78°F
- Rainfall: 10%
- Snowfall: 0%
- Wind
7.4 mph - Humidity
44% avg. - UV Index
9.2 - Air Quality
- Sunrise
06:23 AM - Sunset
07:26 PM - Moonrise
07:23 PM - Moonset
06:03 AM - Moon Phase
Full Moon
Sunny
Weather Tomorrow, Fri 8-28-26
Sunny with a high of 94°F and a low of 76°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 9mph and gusts of 19.5mph at 12 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 75% at 1 AM and 24% being its lowest at 3 PM. Barometric pressure is its highest of 29.9inHg at 10 AM, a lowest point of 29.83inHg at 5 PM with an avg 29.87inHg.
- HI: 94°F
- LO: 76°F
- Rainfall: 4%
- Snowfall: 0%
- Wind
8.9 mph - Humidity
42% avg. - UV Index
8 - Air QualityGood
- Sunrise
06:24 AM - Sunset
07:25 PM - Moonrise
07:47 PM - Moonset
07:00 AM - Moon Phase
Full Moon
Sunny
Sat 8-29-26
Sunny with a high of 90°F and a low of 76°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 10mph and gusts of 19.5mph at 12 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 53% at 4 AM and 27% being its lowest at 2 PM. Barometric pressure is its highest of 29.91inHg at 7 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.87inHg.
- HI: 90°F
- LO: 76°F
- Rainfall: 2%
- Snowfall: 0%
- Wind
9.6 mph - Humidity
42% avg. - UV Index
8 - Air QualityModerate
- Sunrise
06:24 AM - Sunset
07:23 PM - Moonrise
08:11 PM - Moonset
07:57 AM - Moon Phase
Waning Gibbous
Sunny
Sun 8-30-26
Sunny with a high of 86°F and a low of 69°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 10mph and gusts of 21mph at 2 PM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 63% at 4 AM and 18% being its lowest at 4 PM. Barometric pressure is its highest of 29.9inHg at 8 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.87inHg.
- HI: 86°F
- LO: 69°F
- Rainfall: 1%
- Snowfall: 0%
- Wind
9.8 mph - Humidity
44% avg. - UV Index
7 - Air QualityModerate
- Sunrise
06:25 AM - Sunset
07:22 PM - Moonrise
08:36 PM - Moonset
08:54 AM - Moon Phase
Waning Gibbous
Sunny
Mon 8-31-26
Sunny with a high of 82°F and a low of 66°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 11mph on average and gusts of 18.6mph at 10 AM. Humidity levels should be comfortable, sitting around 41% on average, the maximum being 61% at 3 AM and 22% being its lowest at 3 PM. Barometric pressure is its highest of 29.94inHg at 11 PM, a lowest point of 29.86inHg at 5 PM with an avg 29.9inHg.
- HI: 82°F
- LO: 66°F
- Rainfall: 1%
- Snowfall: 0%
- Wind
10.1 mph - Humidity
41% avg. - UV Index
7 - Air QualityModerate
- Sunrise
06:26 AM - Sunset
07:21 PM - Moonrise
09:03 PM - Moonset
09:53 AM - Moon Phase
Waning Gibbous
Sunny
Tue 9-1-26
Sunny with a high of 79°F and a low of 67°F. Rainfall expected to have a 57% chance with an estimated 0.11in. Winds will be light at 9mph and gusts of 15mph at 9 AM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 77% at 8 PM and 19% being its lowest at 11 AM. Barometric pressure is its highest of 29.99inHg at 2 PM, a lowest point of 29.93inHg at 5 PM with an avg 29.96inHg.
- HI: 79°F
- LO: 67°F
- Rainfall: 57% | est. 0.11in
- Snowfall: 0%
- Wind
8.1 mph - Humidity
46% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:27 AM - Sunset
07:19 PM - Moonrise
09:34 PM - Moonset
10:55 AM - Moon Phase
Waning Gibbous
This 5-Day weather forecast is relevant for ZIP codes 91352 and 91353, accurately covering areas of Sun Valley, CA.
Currently
 |
79°F |
29.87 inHg.
Barometer 66%
Humidity E 5.4 mph Wind |
| Overcast | ||
National Outlook
Severe Weather and Heat Threatens Mid-Atlantic and Southwest | 08-27 to 08-29
Thu Aug 27th 2026, 7:21am PDT
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