Weather in Sun Valley, United States 🇺🇸
Sun Valley currently sits at 10°C, clear, feeling like 8°C. Humidity is 71% with winds around 8 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Sun Valley from about 9°C to 24°C. ⚠️ Lake Wind Advisory issued September 4 at 2:02AM PDT until September 4 at 9:00PM PDT by NWS Reno NV
Hourly Forecast for Sun Valley
14-Day Forecast for Sun Valley
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Additional Forecasts for Sun Valley
Air Quality
Historical Weather
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Best Time to Be Outside in Sun Valley Today
The most comfortable window in Sun Valley today looks like 15:00 to 18:00, when it is around 20°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Sun Valley
What is the temperature in Sun Valley right now?
The current temperature in Sun Valley is 10°C (50°F), clear (feels like 8°C).
What's the weather like in Sun Valley right now?
Current weather in Sun Valley: Clear, humidity 71%, wind 8 km/h SW.
What is today's forecast for Sun Valley?
Today in Sun Valley: high 21°C, low 10°C, sunny. Chance of rain: 3%.
What is the 7-day weather forecast for Sun Valley?
Daily highs and lows for Sun Valley:
- 2026-09-04: 21°C / 10°C
- 2026-09-05: 24°C / 9°C
- 2026-09-06: 23°C / 10°C
- 2026-09-07: 24°C / 8°C
- 2026-09-08: 24°C / 11°C
- 2026-09-09: 22°C / 9°C
- 2026-09-10: 22°C / 10°C
Is it going to rain in Sun Valley today?
There is a 3% chance of rain in Sun Valley today. Total expected precipitation: 0.02 mm.
What is the wind speed in Sun Valley right now?
Wind in Sun Valley is currently 8 km/h (5 mph) from the SW.
What is the UV index in Sun Valley right now?
The UV index in Sun Valley is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
