Weather WorldJustin Siena High School, CA 14 Day Weather
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Justin Siena High School, CA Weather Forecast
Justin Siena High School, CA Weather Forecast Dated: 104 PM Mon Aug 31 2026 (Justin Siena High School Time)
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the next two weeks. generally humid conditions and no major pressure swings will dominate.
Monday, August 31, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
64°F 18°C
Sunny
Very warm with a mix of sun and clouds, lower humidity and steady pressure. Winds shifting from SW to WSW at 7 mph 11 km/h.
Tuesday, September 1, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
61°F 16°C
Partly Cloudy
Warm with overcast skies, lower humidity and steady pressure. Winds SW at 13 mph 21 km/h.
Wednesday, September 2, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
62°F 17°C
Sunny
Warm with a mix of sun and clouds, steady humidity and steady pressure. Winds shifting from W to WSW at 8 mph 13 km/h.
Thursday, September 3, 2026
Mid-Morning
61°F 16°C
Cloudy
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
66°F 19°C
Sunny
Cool with overcast skies, steady humidity and barometric pressure falling.
Friday, September 4, 2026
Mid-Morning
58°F 15°C
Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
66°F 19°C
Sunny
Warm with a mix of sun and clouds, lower humidity and steady pressure. Winds shifting from W to WSW at 5 mph 8 km/h.
Saturday, September 5, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
65°F 18°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from SW to W at 6 mph 10 km/h.
Sunday, September 6, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
66°F 19°C
Overcast
Warm with overcast skies, increasing humidity and steady pressure. Winds ESE at 10 mph 15 km/h.
Monday, September 7, 2026
Mid-Morning
63°F 17°C
Cloudy
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
79°F 26°C
Sunny
Very warm with a mix of sun and clouds, lower humidity and barometric pressure falling.
Tuesday, September 8, 2026
Mid-Morning
69°F 20°C
Light Showers
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
66°F 20°C
Light Showers
Cool with a mix of sun and clouds, steady humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
61°F 16°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
65°F 19°C
Sunny
Warm with a mix of sun and clouds, lower humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
63°F 18°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from W to WSW at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
61°F 17°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from SW to W at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
71°F 22°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
71°F 22°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 W to WSW at 6 mph 10 km/h.
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