Weather in Walnut, United States 🇺🇸
Weather Forecast in Walnut
The current temperature in Walnut is 23°C, clear, feeling like 25°C. Relative humidity is 64%, with winds around 4 km/h, and the UV index is 0 (low). Looking ahead, Walnut should sit between roughly 21°C and 41°C over the coming days. ⚠️ Heat Advisory issued July 23 at 10:14AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Hourly Forecast for Walnut
14-Day Forecast for Walnut
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Additional Forecasts for Walnut
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Historical Weather
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Best Time to Be Outside in Walnut Today
The most comfortable window in Walnut today looks like 06:00 to 08:00, when it is around 24°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Walnut
What is the temperature in Walnut right now?
The current temperature in Walnut is 23°C (73°F), clear (feels like 25°C).
What's the weather like in Walnut right now?
Conditions in Walnut right now: Clear, humidity 64%, wind 4 km/h SW.
What is today's forecast for Walnut?
Today in Walnut: high 41°C, low 21°C, sunny. Chance of rain: 1%.
What is the 7-day weather forecast for Walnut?
Daily highs and lows for Walnut:
- 2026-07-24: 41°C / 21°C
- 2026-07-25: 37°C / 25°C
- 2026-07-26: 35°C / 26°C
- 2026-07-27: 35°C / 24°C
- 2026-07-28: 35°C / 24°C
- 2026-07-29: 35°C / 25°C
- 2026-07-30: 36°C / 25°C
Is it going to rain in Walnut today?
There is a 1% chance of rain in Walnut today.
What is the wind speed in Walnut right now?
Wind in Walnut is currently 4 km/h (3 mph) from the SW.
What is the UV index in Walnut right now?
The UV index in Walnut is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
