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City of Walnut, CAWalnut, CA 14 Day Weather - 91748 WeatherWorld.com
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Walnut, CA Weather Forecast
Walnut, CA Weather Forecast Dated: 112 AM Mon Sep 14 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Monday, September 14, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
76°F 24°C
Sunny
Warm and summery near 85°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the WSW to the SW at 8 mph 12 km/h.
Tuesday, September 15, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
74°F 24°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the WSW to the SW at 8 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Quite warm around 83°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds WSW at 10 mph 16 km/h.
Thursday, September 17, 2026
Mid-Morning
71°F 21°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
75°F 24°C
Sunny
Warm temperatures up to 85°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the WSW to the SW at 8 mph 12 km/h.
Friday, September 18, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
80°F 27°C
Sunny
Very warm with a high of 86°F 30°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the WSW at 9 mph 14 km/h.
Saturday, September 19, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm and summery near 87°F 31°C, sunny throughout the day, with lower humidity and steady pressure. Winds WSW at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
74°F 24°C
Sunny
Balmy with temperatures reaching 82°F 28°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the WSW to the SW at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
72°F 23°C
Sunny
Quite warm around 80°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the WSW to the SW at 9 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 23°C
Sunny
Mild temperatures up to 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the WSW to the SW at 8 mph 13 km/h.
Wednesday, September 23, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 22°C
Sunny
Mild with a high of 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the SW at 10 mph 16 km/h.
Thursday, September 24, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
70°F 22°C
Sunny
Pleasant near 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WSW to the SW at 8 mph 13 km/h.
Friday, September 25, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds WSW at 10 mph 16 km/h.
Saturday, September 26, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
68°F 20°C
Sunny
Enjoyable around 73°F 23°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the WSW at 9 mph 14 km/h.
Sunday, September 27, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
68°F 20°C
Sunny
Mild temperatures up to 73°F 23°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds blowing from the WSW at 10 mph 16 km/h.
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