Walnut, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 90°F 32°C Heat Index: 90°F	Observed at: Walnut, CA	Elevation: 800 ft | 244 m
	Last Updated: July 29, 5:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 90°F | 32°C
	Pressure: 29.18 in | 988.1 mb	Dewpoint: 61°F | 16°C
	Humidity: 38%	Wind: WSW 10 mph | WSW 16 kph
	Feels Like: 90°F | 32°C	Visibility: 97 mi | 156.2 km
	Lat/Long: 34.0206 | -117.8653	Sunrise: 6:01 AM   Sunset: 7:54 PM

7 Day Graphical Forecast

Valid: 7:12 PM 7/29/2026

Today Overcast 93 |68 °F 34 |20 °C 0% Chance Precipitation Thursday Foggy 96 |64 °F 35 |18 °C 0% Chance Precipitation Friday Overcast 98 |61 °F 37 |16 °C 0% Chance Precipitation Saturday Clear 100 |77 °F 38 |25 °C 0% Chance Precipitation Sunday Overcast 97 |77 °F 36 |25 °C 0% Chance Precipitation Monday Clear 96 |75 °F 35 |24 °C 0% Chance Precipitation Tuesday Clear 95 |75 °F 35 |24 °C 0% Chance Precipitation

7 Hour Graphical Forecast

Valid: 7:12 PM 7/29/2026

7 PM Clear 82 °F 0% Chance Precipitation

8 PM Clear 77 °F 0% Chance Precipitation

9 PM Clear 73 °F 0% Chance Precipitation

10 PM Clear 71 °F 0% Chance Precipitation

11 PM Clear 69 °F 0% Chance Precipitation

12 AM Clear 67 °F 0% Chance Precipitation

1 AM Mostly Clear 66 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Walnut, CA - (Fahrenheit & Celsius) Valid: 7:12 PM 7/29/2026 Today Overcast with a high near 93°F [34°C]. WSW wind to around 10 mph [17 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 61°F [16°C] with humidity of 92%. Pressure around 29.18 in [988.1 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 68°F [20°C]. WSW wind to around 10 mph [17 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Foggy with a high near 96°F [35°C]. WSW wind to around 12 mph [19 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 61°F [16°C] with humidity of 100%. Pressure around 29.18 in [988.1 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Foggy with a low around 64°F [18°C]. WSW wind to around 12 mph [19 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 98°F [37°C]. WSW wind to around 11 mph [18 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 61°F [16°C] with humidity of 95%. Pressure around 29.18 in [988.1 mb]. UV Index: 8.3. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 61°F [16°C]. WSW wind to around 11 mph [18 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Clear with a high near 100°F [38°C]. SW wind to around 11 mph [17 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 61°F [16°C] with humidity of 54%. Pressure around 29.18 in [988.1 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Clear with a low around 77°F [25°C]. SW wind to around 11 mph [17 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 97°F [36°C]. SW wind to around 11 mph [17 kph], with gusts to near 10 mph [16 kph]. Dewpoint near 61°F [16°C] with humidity of 53%. Pressure around 29.18 in [988.1 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 77°F [25°C]. SW wind to around 11 mph [17 kph], with gusts to near 10 mph [16 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 96°F [35°C]. SW wind to around 11 mph [18 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 61°F [16°C] with humidity of 61%. Pressure around 29.18 in [988.1 mb]. UV Index: 8.3. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 75°F [24°C]. SW wind to around 11 mph [18 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 95°F [35°C]. SW wind to around 11 mph [18 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 61°F [16°C] with humidity of 61%. Pressure around 29.18 in [988.1 mb]. UV Index: 8.25. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 75°F [24°C]. SW wind to around 11 mph [18 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Walnut, CA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Walnut, CA

Today: WSW @ 17 kph | 10 mph

Tonight: WSW @ 17 kph | 10 mph

Thursday: WSW @ 19 kph | 12 mph

Thursday Night: WSW @ 19 kph | 12 mph

Friday: WSW @ 18 kph | 11 mph

Friday Night: WSW @ 18 kph | 11 mph

Saturday: SW @ 17 kph | 11 mph

Saturday Night: SW @ 17 kph | 11 mph

Sunday: SW @ 17 kph | 11 mph

Sunday Night: SW @ 17 kph | 11 mph

Monday: SW @ 18 kph | 11 mph

Monday Night: SW @ 18 kph | 11 mph

Tuesday: SW @ 18 kph | 11 mph

Tuesday Night: SW @ 18 kph | 11 mph

7 Day and Night - Maximum Humidity Forecast for Walnut, CA

Today: 92 %

Tonight: 92 %

Thursday: 100 %

Thursday Night: 100 %

Friday: 95 %

Friday Night: 95 %

Saturday: 54 %

Saturday Night: 54 %

Sunday: 53 %

Sunday Night: 53 %

Monday: 61 %

Monday Night: 61 %

Tuesday: 61 %

Tuesday Night: 61 %

7 Day and Night - Snowfall Totals Forecast for Walnut, CA

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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