7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index
7 Day & Night Weather Forecast for San Onofre, CA - (Fahrenheit & Celsius)
Valid: 4:05 PM 7/29/2026
Today
Foggy with a high near 75°F[24°C]. S wind to around 8 mph[13 kph], with gusts to near 13 mph[21 kph]. Dewpoint near 68°F[20°C] with humidity of 97%. Pressure around 29.89 in[1012.1 mb]. UV Index: 7.75. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Tonight
Foggy with a low around 68°F[20°C]. S wind to around 8 mph[13 kph], with gusts to near 13 mph[21 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Sunday
Heavy Drizzle with a high near 76°F[24°C]. SW wind to around 7 mph[11 kph], with gusts to near 8 mph[13 kph]. Dewpoint near 68°F[20°C] with humidity of 100%. Pressure around 29.89 in[1012.1 mb]. UV Index: 7.2. Chance of precipitation 3% with QPF of 0.04 in[1.1 mm].
Sunday Night
Heavy Drizzle with a low around 67°F[20°C]. SW wind to around 7 mph[11 kph], with gusts to near 8 mph[13 kph]. Chance of precipitation 3% with QPF of 0.04 in[1.1 mm].
Monday
Foggy with a high near 78°F[26°C]. SSW wind to around 7 mph[10 kph], with gusts to near 9 mph[14 kph]. Dewpoint near 68°F[20°C] with humidity of 100%. Pressure around 29.89 in[1012.1 mb]. UV Index: 8.1. Chance of precipitation 2% with QPF of 0.00 in[0.0 mm].
Monday Night
Foggy with a low around 67°F[20°C]. SSW wind to around 7 mph[10 kph], with gusts to near 9 mph[14 kph]. Chance of precipitation 2% with QPF of 0.00 in[0.0 mm].
Tuesday
Overcast with a high near 83°F[28°C]. S wind to around 10 mph[17 kph], with gusts to near 7 mph[11 kph]. Dewpoint near 68°F[20°C] with humidity of 84%. Pressure around 29.89 in[1012.1 mb]. UV Index: 8.2. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Tuesday Night
Overcast with a low around 67°F[20°C]. S wind to around 10 mph[17 kph], with gusts to near 7 mph[11 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Wednesday
Overcast with a high near 82°F[28°C]. S wind to around 11 mph[18 kph], with gusts to near 7 mph[12 kph]. Dewpoint near 68°F[20°C] with humidity of 88%. Pressure around 29.89 in[1012.1 mb]. UV Index: 8.4. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Wednesday Night
Overcast with a low around 65°F[19°C]. S wind to around 11 mph[18 kph], with gusts to near 7 mph[12 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Thursday
Overcast with a high near 82°F[28°C]. SSW wind to around 9 mph[14 kph], with gusts to near 6 mph[9 kph]. Dewpoint near 68°F[20°C] with humidity of 87%. Pressure around 29.89 in[1012.1 mb]. UV Index: 7.9. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Thursday Night
Overcast with a low around 63°F[17°C]. SSW wind to around 9 mph[14 kph], with gusts to near 6 mph[9 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Friday
Overcast with a high near 85°F[29°C]. WSW wind to around 11 mph[17 kph], with gusts to near 8 mph[13 kph]. Dewpoint near 68°F[20°C] with humidity of 84%. Pressure around 29.89 in[1012.1 mb]. UV Index: 8.1. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Friday Night
Overcast with a low around 64°F[18°C]. WSW wind to around 11 mph[17 kph], with gusts to near 8 mph[13 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
QPF - Max Wind Speed - Max Humidity - Snowfall
7 Day and Night - QPF Forecast for San Onofre, CA
Today: 0.0 mm|0.00 in
Tonight: 0.0 mm|0.00 in
Sunday: 1.1 mm|0.04 in
Sunday Night: 1.1 mm|0.04 in
Monday: 0.0 mm|0.00 in
Monday Night: 0.0 mm|0.00 in
Tuesday: 0.0 mm|0.00 in
Tuesday Night: 0.0 mm|0.00 in
Wednesday: 0.0 mm|0.00 in
Wednesday Night: 0.0 mm|0.00 in
Thursday: 0.0 mm|0.00 in
Thursday Night: 0.0 mm|0.00 in
Friday: 0.0 mm|0.00 in
Friday Night: 0.0 mm|0.00 in
7 Day and Night - Maximum Wind Speed Forecast for San Onofre, CA
Today: S @ 13 kph|8 mph
Tonight: S @ 13 kph|8 mph
Sunday: SW @ 11 kph|7 mph
Sunday Night: SW @ 11 kph|7 mph
Monday: SSW @ 10 kph|7 mph
Monday Night: SSW @ 10 kph|7 mph
Tuesday: S @ 17 kph|10 mph
Tuesday Night: S @ 17 kph|10 mph
Wednesday: S @ 18 kph|11 mph
Wednesday Night: S @ 18 kph|11 mph
Thursday: SSW @ 14 kph|9 mph
Thursday Night: SSW @ 14 kph|9 mph
Friday: WSW @ 17 kph|11 mph
Friday Night: WSW @ 17 kph|11 mph
7 Day and Night - Maximum Humidity Forecast for San Onofre, CA
Today: 97 %
Tonight: 97 %
Sunday: 100 %
Sunday Night: 100 %
Monday: 100 %
Monday Night: 100 %
Tuesday: 84 %
Tuesday Night: 84 %
Wednesday: 88 %
Wednesday Night: 88 %
Thursday: 87 %
Thursday Night: 87 %
Friday: 84 %
Friday Night: 84 %
7 Day and Night - Snowfall Totals Forecast for San Onofre, CA