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Walnut Park, CA Weather Forecast
Walnut Park, CA Weather Forecast Dated: 759 PM Fri Sep 18 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.
Friday, September 18, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Pleasant near 78°F 26°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the S to the SW at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds switching from the SSE to the SW at 7 mph 12 km/h.
Sunday, September 20, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
76°F 25°C
Sunny
Quite warm around 81°F 27°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds SW at 10 mph 16 km/h.
Monday, September 21, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
73°F 23°C
Sunny
Mild temperatures up to 78°F 25°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds swinging from the SE to the SSW at 7 mph 12 km/h.
Tuesday, September 22, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
72°F 23°C
Sunny
Mild with a high of 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the SSE to the SW at 7 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
71°F 21°C
Sunny
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
72°F 23°C
Sunny
Pleasant near 76°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds WSW at 10 mph 16 km/h.
Thursday, September 24, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Comfortable with temperatures reaching 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the WSW at 9 mph 15 km/h.
Friday, September 25, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
83°F 28°C
Cloudy
Early-Evening
77°F 25°C
Sunny
Quite warm around 83°F 28°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the WSW to the SW at 8 mph 12 km/h.
Saturday, September 26, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
79°F 26°C
Sunny
Warm temperatures up to 84°F 29°C, sunny throughout the day, with steady humidity and steady pressure. Winds WSW at 10 mph 15 km/h.
Sunday, September 27, 2026
Mid-Morning
81°F 27°C
Overcast
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
86°F 31°C
Overcast
Very warm with a high of 85°F 29°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
82°F 28°C
Partly Cloudy
Hot and sweltering around 90°F 32°C (heat index 93°F 34°C), sunny through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds picking up from WNW at 4 mph 6 km/h to SSE at 13 mph 20 km/h.
Tuesday, September 29, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
76°F 24°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the S to the SSW at 8 mph 13 km/h.
Wednesday, September 30, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
79°F 26°C
Sunny
Quite warm around 85°F 29°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the S to the SW at 7 mph 11 km/h.
Thursday, October 1, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
82°F 28°C
Sunny
Warm temperatures up to 86°F 30°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the WSW to the SSW at 7 mph 11 km/h.
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