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Tustin Union High School, CA Weather Forecast
Tustin Union High School, CA Weather Forecast Dated: 1237 PM Mon Sep 28 2026
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Monday, September 28, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 23°C
Sunny
Pleasant near 79°F 26°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SW to the S at 7 mph 11 km/h.
Tuesday, September 29, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the NNW to the S at 6 mph 10 km/h.
Wednesday, September 30, 2026
Mid-Morning
73°F 23°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 steady humidity and steady pressure. Winds moving from the S to the SSW at 4 mph 7 km/h.
Thursday, October 1, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot temperatures near 90°F 32°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the WNW to the NNE at 3 mph 5 km/h.
Friday, October 2, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Very hot with a high of 99°F 37°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the ENE to the SSE at 4 mph 7 km/h.
Saturday, October 3, 2026
Mid-Morning
89°F 32°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
90°F 33°C
Sunny
Very hot with temperatures reaching 99°F 37°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SE to the S at 5 mph 8 km/h.
Sunday, October 4, 2026
Mid-Morning
89°F 32°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
91°F 33°C
Sunny
Dangerously hot temperatures around 100°F 38°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SSE to the SE at 5 mph 8 km/h.
Monday, October 5, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
87°F 30°C
Sunny
Sizzling hot with 91°F 33°C, sunny throughout the day, with increasing humidity and steady pressure. Winds moving from the ESE to the W at 4 mph 6 km/h.
Tuesday, October 6, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
87°F 30°C
Overcast
Early-Evening
81°F 27°C
Sunny
Warm temperatures up to 87°F 30°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SSE to the WNW at 6 mph 10 km/h.
Wednesday, October 7, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
81°F 28°C
Sunny
Very warm with a high of 88°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the SE to the W at 5 mph 9 km/h.
Thursday, October 8, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
88°F 31°C
Scattered Showers
Very hot with temperatures reaching 93°F 34°C, scattered downpours possible, with steady humidity and steady pressure.
Friday, October 9, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
91°F 32°C
Sunny
Hot and sweltering around 98°F 37°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the E at 13 mph 20 km/h.
Saturday, October 10, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
94°F 34°C
Cloudy
Early-Evening
85°F 30°C
Sunny
Sizzling hot with 94°F 34°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds switching from the ESE to the WSW at 4 mph 6 km/h.
Sunday, October 11, 2026
Mid-Morning
80°F 26°C
Scattered Showers
Mid-Afternoon
87°F 31°C
Scattered Showers
Early-Evening
79°F 26°C
Scattered Showers
Warm temperatures up to 87°F 31°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the WSW to the SW at 5 mph 8 km/h.
Tustin Union High School, CA Weather Radar Map
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