Union High School, CA 14 Day Weather
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Union High School, CA Weather Forecast


Union High School, CA Weather Forecast Dated: 402 PM Fri Sep 11 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Friday, September 11, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
72°F 22°C
Partly Cloudy
Warm and summery near 83°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds picking up from WSW at 4 mph 6 km/h to SW at 12 mph 20 km/h.
Saturday, September 12, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
57°F 14°C
Cloudy
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds building from SSW at 9 mph 14 km/h to W at 18 mph 29 km/h. Gusts up to 27 mph 43 km/h.
Sunday, September 13, 2026
Mid-Morning
42°F 6°C
Sunny
Mid-Afternoon
58°F 15°C
Sunny
Early-Evening
52°F 11°C
Sunny
Comfortable at 58°F 15°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the W to the NW at 5 mph 8 km/h.
Monday, September 14, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Mild temperatures up to 69°F 20°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Tuesday, September 15, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild with a high of 73°F 23°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SSE to the WSW at 5 mph 8 km/h.
Wednesday, September 16, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
67°F 19°C
Sunny
Pleasant near 77°F 25°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds shifting from the E to the SSE at 7 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
71°F 22°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the ESE to the SSW at 7 mph 11 km/h.
Friday, September 18, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
71°F 21°C
Sunny
Quite warm around 81°F 27°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the ESE to the SW at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
65°F 19°C
Sunny
Mild temperatures up to 79°F 26°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the SSW to the WSW at 11 mph 18 km/h.
Sunday, September 20, 2026
Mid-Morning
49°F 10°C
Scattered Showers
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mild with a high of 68°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds NW at 13 mph 21 km/h.
Monday, September 21, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
63°F 17°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
58°F 15°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the WSW to the W at 9 mph 14 km/h.
Wednesday, September 23, 2026
Mid-Morning
40°F 4°C
Sunny
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
47°F 9°C
Overcast
Brisk around 53°F 12°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the NE to the NNE at 13 mph 21 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 24, 2026
Mid-Morning
36°F 2°C
Light Showers
Mid-Afternoon
40°F 4°C
Light Showers
Early-Evening
38°F 3°C
Sunny
Biting cold near 40°F 4°C, showers lingering into the afternoon before clearing, with steady humidity and steady pressure.
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