599
FNUS76 KSGX 012245
FWSSGX

Spot Forecast for Bernardo Fire...San Diego Fire department
National Weather Service San Diego CA
345 PM PDT Fri Aug 1 2025

Forecast is based on forecast start time of 1600 PDT on August 01.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Currently, we are observing southwest winds around 8-10 mph with
occasional gusts near 15 mph. Relative humidity is at a minimum
around 60%.

The sea breeze will weaken gradually after 5 PM to light and
variable winds by around 7 PM, remaining so overnight as humidity
increases to 90-100% overnight with patchy fog and low clouds
developing after 1 AM Saturday. Fog/low clouds will dissipate
around 8-9 AM Saturday, yielding to high temperatures in the low
80s, SW winds 8-10 mph, and daytime minimum humidity down to 50%.

.REST OF TODAY...

Sky/weather.........Mostly sunny (5-15 percent).
Max temperature.....Around 79.
Min humidity........59 percent.
Eye level winds.....West winds up to 5 mph.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........Southwest around 5 mph.
CWR.................0 percent.
Mixing height.......1200 ft AGL.
Transport winds.....West 8 to 9 mph.

TIME (PDT)      4PM 5PM
Sky (%).........6   9
Weather cov.....
Weather type....
Tstm cov........
Temp............77  75
RH..............62  64
20 FT wind dir..N   N
20 FT wind spd..0   0
20 FT wind gust.11  10
Eye lvl wnd dir.W   W
Eye lvl wnd spd.5   4
Eye lvl wnd gst.8   7
Ridge wind dir..W   SW
Ridge wind spd..5   5
CWR.............0   0

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Patchy fog late
                    in the evening.
Min temperature.....Around 59.
Max humidity........93 percent.
Eye level winds.....Northwest winds around 4 mph.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........West 0 to 5 mph increasing to 5 to 10 mph late
                    in the evening.
CWR.................0 percent.
Mixing height.......200 ft AGL.
Transport winds.....West 1 to 7 mph shifting to the northwest
                    around 1 mph after 3 am.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........9   9   14  14  14  40  40  40  46  46  46  51
Weather cov.....                    PTY PTY PTY PTY PTY PTY PTY
Weather type....                    FOG FOG FOG FOG FOG FOG FOG
Tstm cov........
Temp............73  70  66  63  62  62  61  61  60  60  60  60
RH..............67  73  84  89  92  91  93  93  93  91  92  91
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..0   0   0   0   0   0   0   0   0   0   0   0
20 FT wind gust.7   6   4   4   4   4   4   2   2   2   2   2
Eye lvl wnd dir.W   W   W   W   W   W   W   W   NW  NW  NW  NW
Eye lvl wnd spd.4   3   2   1   1   1   1   1   1   1   1   1
Eye lvl wnd gst.5   4   3   3   3   3   3   2   2   2   2   2
Ridge wind dir..SW  W   W   W   W   W   NW  NW  W   NW  W   W
Ridge wind spd..0   5   5   5   5   10  5   5   5   5   5   5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.SATURDAY...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly sunny (0-10 percent). Patchy fog in the
                    morning.
Max temperature.....Around 82.
Min humidity........51 percent.
Eye level winds.....West winds up to 5 mph.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........West around 5 mph.
CWR.................0 percent.
Mixing height.......1200 ft AGL.
Transport winds.....Northwest 2 to 5 mph shifting to the west 6 to
                    10 mph late in the morning.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........51  51  35  35  35  8   8   8   6   6   6   7
Weather cov.....PTY PTY PTY PTY PTY
Weather type....FOG FOG FOG FOG FOG
Tstm cov........
Temp............60  60  62  66  72  77  79  80  81  80  79  77
RH..............91  90  87  77  65  57  53  52  51  52  54  56
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..0   0   0   0   0   0   0   0   0   0   0   0
20 FT wind gust.2   2   4   4   5   7   9   11  11  12  11  11
Eye lvl wnd dir.NW  W   W   W   W   W   W   W   W   W   W   W
Eye lvl wnd spd.1   1   1   1   1   3   4   4   4   5   4   4
Eye lvl wnd gst.2   2   3   3   4   5   7   8   8   9   8   8
Ridge wind dir..NW  NW  W   NW  NW  W   W   W   W   W   W   W
Ridge wind spd..5   5   5   5   5   5   5   5   5   5   5   5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

$$
Forecaster...SEBASTIAN WESTERINK
Requested by...Fire Captain
Type of request...WILDFIRE
.TAG 2519035.0/SGX
.DELDT 08/01/25
.FormatterVersion 2.0.0
.EMAIL rmcallister@sandiego.gov