7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index
7 Day & Night Weather Forecast for Tustin, CA - (Fahrenheit & Celsius)
Valid: 4:14 PM 7/29/2026
Tonight
Overcast with a low around 68°F[20°C]. SW wind to around 10 mph[15 kph], with gusts to near 11 mph[18 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Thursday
Overcast with a high near 87°F[30°C]. SW wind to around 9 mph[14 kph], with gusts to near 10 mph[16 kph]. Dewpoint near 66°F[19°C] with humidity of 90%. Pressure around 29.67 in[1004.7 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Thursday Night
Overcast with a low around 67°F[19°C]. SW wind to around 9 mph[14 kph], with gusts to near 10 mph[16 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Friday
Overcast with a high near 96°F[36°C]. WSW wind to around 10 mph[16 kph], with gusts to near 7 mph[10 kph]. Dewpoint near 66°F[19°C] with humidity of 67%. Pressure around 29.67 in[1004.7 mb]. UV Index: 8.3. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Friday Night
Overcast with a low around 72°F[22°C]. WSW wind to around 10 mph[16 kph], with gusts to near 7 mph[10 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Saturday
Mostly Clear with a high near 99°F[37°C]. WSW wind to around 10 mph[15 kph], with gusts to near 7 mph[10 kph]. Dewpoint near 66°F[19°C] with humidity of 63%. Pressure around 29.67 in[1004.7 mb]. UV Index: 8.4. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Saturday Night
Mostly Clear with a low around 75°F[24°C]. WSW wind to around 10 mph[15 kph], with gusts to near 7 mph[10 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Sunday
Overcast with a high near 97°F[36°C]. SW wind to around 10 mph[16 kph], with gusts to near 8 mph[12 kph]. Dewpoint near 66°F[19°C] with humidity of 68%. Pressure around 29.67 in[1004.7 mb]. UV Index: 8.4. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Sunday Night
Overcast with a low around 75°F[24°C]. SW wind to around 10 mph[16 kph], with gusts to near 8 mph[12 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Monday
Overcast with a high near 94°F[35°C]. SW wind to around 10 mph[16 kph], with gusts to near 6 mph[10 kph]. Dewpoint near 66°F[19°C] with humidity of 74%. Pressure around 29.67 in[1004.7 mb]. UV Index: 8.3. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Monday Night
Overcast with a low around 73°F[23°C]. SW wind to around 10 mph[16 kph], with gusts to near 6 mph[10 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Tuesday
Overcast with a high near 91°F[33°C]. SW wind to around 10 mph[17 kph], with gusts to near 7 mph[11 kph]. Dewpoint near 66°F[19°C] with humidity of 70%. Pressure around 29.67 in[1004.7 mb]. UV Index: 8.25. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Tuesday Night
Overcast with a low around 74°F[23°C]. SW 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].
QPF - Max Wind Speed - Max Humidity - Snowfall
7 Day and Night - QPF Forecast for Tustin, CA
Tonight: 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
Saturday: 0.0 mm|0.00 in
Saturday Night: 0.0 mm|0.00 in
Sunday: 0.0 mm|0.00 in
Sunday Night: 0.0 mm|0.00 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
7 Day and Night - Maximum Wind Speed Forecast for Tustin, CA
Tonight: SW @ 15 kph|10 mph
Thursday: SW @ 14 kph|9 mph
Thursday Night: SW @ 14 kph|9 mph
Friday: WSW @ 16 kph|10 mph
Friday Night: WSW @ 16 kph|10 mph
Saturday: WSW @ 15 kph|10 mph
Saturday Night: WSW @ 15 kph|10 mph
Sunday: SW @ 16 kph|10 mph
Sunday Night: SW @ 16 kph|10 mph
Monday: SW @ 16 kph|10 mph
Monday Night: SW @ 16 kph|10 mph
Tuesday: SW @ 17 kph|10 mph
Tuesday Night: SW @ 17 kph|10 mph
7 Day and Night - Maximum Humidity Forecast for Tustin, CA
Tonight: 90 %
Thursday: 90 %
Thursday Night: 90 %
Friday: 67 %
Friday Night: 67 %
Saturday: 63 %
Saturday Night: 63 %
Sunday: 68 %
Sunday Night: 68 %
Monday: 74 %
Monday Night: 74 %
Tuesday: 70 %
Tuesday Night: 70 %
7 Day and Night - Snowfall Totals Forecast for Tustin, CA