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Frontier Park Tustin, CA Weather Forecast
Frontier Park Tustin, CA Weather Forecast Dated: 930 AM Sun Aug 30 2026 (Frontier Park Tustin Time)
Expect a very warm period with plenty of sunshine and mostly dry weather over the next two weeks. moderate humidity and no major pressure swings will dominate.
Sunday, August 30, 2026
Mid-Morning
78°F 26°C
Hazy Smoke
Mid-Afternoon
87°F 31°C
Hazy Smoke
Early-Evening
78°F 26°C
Hazy Smoke
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds SW at 10 mph 16 km/h.
Monday, August 31, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
84°F 29°C
Hazy Smoke
Early-Evening
76°F 24°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from SSW to SW at 7 mph 11 km/h.
Tuesday, September 1, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
83°F 28°C
Hazy Smoke
Early-Evening
76°F 24°C
Scattered Showers
Very warm with mostly sunny skies in the morning, then mostly cloudy for the afternoon and evening, steady humidity and steady pressure. Winds shifting from W to NW at 5 mph 8 km/h.
Wednesday, September 2, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
87°F 30°C
Hazy Smoke
Early-Evening
80°F 26°C
Hazy Smoke
Very warm with mostly cloudy skies in the morning, mostly cloudy in the afternoon, and mostly sunny in the evening, steady humidity and steady pressure. Winds shifting from WNW to SW at 6 mph 9 km/h.
Thursday, September 3, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
80°F 27°C
Overcast
Very warm with overcast skies, steady humidity and steady pressure. Winds shifting from SSW to SW at 5 mph 8 km/h.
Friday, September 4, 2026
Mid-Morning
77°F 25°C
Cloudy
Mid-Afternoon
87°F 31°C
Cloudy
Early-Evening
81°F 27°C
Overcast
Very warm with mostly cloudy skies, steady humidity and steady pressure. Winds WSW at 9 mph 15 km/h.
Saturday, September 5, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from W to SSW at 6 mph 9 km/h.
Sunday, September 6, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
80°F 27°C
Sunny
Very warm with mostly sunny skies in the morning, mostly cloudy in the afternoon, and mostly sunny in the evening, steady humidity and steady pressure. Winds shifting from WSW to SSW at 7 mph 11 km/h.
Monday, September 7, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
90°F 32°C
Scattered Showers
Early-Evening
86°F 30°C
Scattered Showers
Hot with a mix of sun and clouds, steady humidity and barometric pressure falling. Isolated showers. Winds shifting from NNW to ENE at 6 mph 9 km/h.
Tuesday, September 8, 2026
Mid-Morning
78°F 25°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Light Showers
Early-Evening
72°F 22°C
Light Showers
Warm with a mix of sun and clouds, increasing humidity and steady pressure. Winds increasing from the W at 4 mph 7 km/h to SE at 13 mph 21 km/h.
Wednesday, September 9, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
67°F 20°C
Sunny
Cool with a mix of sun and clouds, lower humidity and steady pressure. A few spotty showers; otherwise dry.
Thursday, September 10, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds SW at 12 mph 19 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from ESE to SW at 6 mph 9 km/h.
Saturday, September 12, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
81°F 27°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from WNW to SW at 5 mph 7 km/h.
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