WXSIM Forecast for: Mission Trails, San Diego
Issued by: Mission Trails Weather (wx4mt.com)
Updated: Sunday, 09-Aug-2026 11:00 am
 
This
afternoon
Clear
Clear
Tonight

Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Fog late
Fog late
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
<.1 in. <.1 in.
High: 94° Low: 63° High: 90° Low: 66° High: 89° Low: 64° High: 90° Low: 69° High: 91° Low: 68°
                   
WNW
12
mph
Gentle breeze
W
6→calm
mph
Light breeze
WSW
5→12
mph
Gentle breeze
WSW
6→2
mph
Light breeze
SW
5→12
mph
Gentle breeze
WSW→WNW
6→3
mph
Light breeze
WNW
6→12
mph
Gentle breeze
WNW
5
mph
Light breeze
SW
6→12
mph
Gentle breeze
SW
5
mph
Light breeze
UV: 10
 Very High 
UV: 9
 Very High 
UV: 8
 Very High 
UV: 8
 Very High 
UV: 9
 Very High 

 

This afternoon
 
Clear. High 94°. UV index up to 10. Wind west-northwest around 12 mph.
Tonight
 
Mostly clear in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 63°. Wind west around 6 mph in the evening, becoming near calm after midnight.
Monday
 
Partly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. High 90°. UV index up to 9. Wind west-southwest around 5 mph in the morning, becoming 12 mph in the afternoon.
Monday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain after midnight. Low 66°. Wind west-southwest around 6 mph in the evening, becoming 2 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Tuesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. High 89°. UV index up to 8. Wind southwest around 5 mph in the morning, becoming 12 mph in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Tuesday night
 
Mostly clear. Patchy light fog after midnight. Low 64°. Wind west-southwest around 6 mph in the evening, becoming west-northwest around 3 mph after midnight.
Wednesday
 
Mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 90°. UV index up to 8. Wind west-northwest around 6 mph in the morning, becoming 12 mph in the afternoon.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 69°. Wind west-northwest around 5 mph.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 91°. UV index up to 9. Wind southwest around 6 mph in the morning, becoming 12 mph in the afternoon.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 68°. Wind southwest around 5 mph.
Friday
 
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 90°. UV index up to 9. Wind west-northwest around 7 mph in the morning, becoming 13 mph in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than a tenth of an inch.
Friday night
 
Cloudy. Low 69°. Wind west-northwest around 8 mph in the evening, becoming 3 mph after midnight.
Saturday
 
Cloudy. A slight chance of rain. High 82°. Wind west-southwest around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Saturday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Low 61°. Wind west-northwest around 7 mph in the evening, becoming 3 mph after midnight.
Sunday
 
Mostly sunny in the morning, becoming sunny in the afternoon. High 85°. UV index up to 10. Wind west-northwest around 6 mph in the morning, becoming 14 mph in the afternoon.
Sunday night
 
Mostly clear in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 57°. Wind west-northwest around 7 mph in the evening, becoming 3 mph after midnight.
Monday
 
Sunny. Patchy light fog in the morning. High 85°. UV index up to 10. Wind west-northwest around 6 mph in the morning, becoming 14 mph in the afternoon.
Monday night
 
Clear. Patchy light fog after midnight. Low 56°. Wind west-northwest around 7 mph in the evening, becoming 2 mph after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.

NWS vs Wxsim

NWSWXSIMForecast
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 89 °F
This
afternoon
Clear
Clear
High: 94°
NWS: Sunny, with a high near 89. Southwest wind around 10 mph.

WXSIM: Clear. High 94°. UV index up to 10. Wind west-northwest around 12 mph.
Tonight

Tonight: Partly Cloudy then Patchy Fog
Partly Cloudy then Patchy Fog

Lo 68 °F
Tonight

Fog late
Fog late
Low: 63°
NWS: Patchy fog after 5am. Partly cloudy, with a low around 68. West wind 0 to 5 mph.

WXSIM: Mostly clear in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 63°. Wind west around 6 mph in the evening, becoming near calm after midnight.
Monday

Monday: Patchy Fog then Mostly Sunny
Patchy Fog then Mostly Sunny

Hi 86 °F
Monday

Fog a.m.
Fog a.m.
High: 90°
NWS: Patchy fog before 8am. Mostly sunny, with a high near 86. Southwest wind 0 to 10 mph.

WXSIM: Partly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. High 90°. UV index up to 9. Wind west-southwest around 5 mph in the morning, becoming 12 mph in the afternoon.
Monday
Night
Monday Night: Mostly Cloudy then Patchy Fog
Mostly Cloudy then Patchy Fog

Lo 67 °F
Monday
night
Mostly Cloudy
Mostly Cloudy
Low: 66°
NWS: Patchy fog after 5am. Mostly cloudy, with a low around 67. West wind 0 to 5 mph.

WXSIM: Fair in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain after midnight. Low 66°. Wind west-southwest around 6 mph in the evening, becoming 2 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.

WXSIM GRAPHCAST

Wxsim Graphic