11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Mainly clear
23°
Feels like 24°
Wind↑ NNW 11 km/h
Humidity 46 %
Evening
Mainly clear
22°
Feels like 25°
Wind↑ NNW 6 km/h
Humidity 59 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Mainly clear
22°
Feels like 24°
Wind↑ SW 5 km/h
Humidity 57 %
Evening
Mainly clear
20°
Feels like 23°
Wind↑ SW 6 km/h
Humidity 66 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
20°
Feels like 22°
Wind↑ SW 15 km/h
Humidity 61 %
Evening
Drizzle
20°
Feels like 20°
Wind↑ SSW 37 km/h
Gusts43 km/h
Humidity 73 %
💧 0.2 mm
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
San Diego forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +2.1° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
San Diego climate: what a normal year looks like
A normal year brings roughly 340 mm of rain — less than 93% of the towns of 20,000+ people we compared it with.
The wet season is concentrated from January to March, which brings 56% of the annual total; February by itself averages 77 mm.
The hottest stretch is August, when afternoons average 27 °C; the coldest is December, when nights average 9 °C.
From 14 h 18 min of daylight in late June to 9 h 59 min in late December.
Forecast highs for the coming week average 21 °C, 3 °C cooler than a normal October (24 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
18 °C
9 °C
61 mm
Feb
18 °C
9 °C
77 mm
Mar
18 °C
10 °C
53 mm
Apr
19 °C
12 °C
27 mm
May
21 °C
14 °C
14 mm
Jun
23 °C
15 °C
3 mm
Jul
26 °C
18 °C
3 mm
Aug
27 °C
19 °C
3 mm
Sep
27 °C
18 °C
6 mm
Oct
24 °C
16 °C
17 mm
Nov
21 °C
12 °C
25 mm
Dec
18 °C
9 °C
50 mm
Whole year
21 °C
13 °C
340 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 32.72° N, 117.17° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in San Diego: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.57µg/m³
PM1011µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around San Diego
Rain observed over the last two hours by official weather radars around San Diego, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
Moon over San Diego
Waning gibbous
87 % illuminated · 18.3 days
Rise 22:45 Set 13:08
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (America/Los_Angeles); phase and lit fraction from a synodic calculation.
Look up a past day in San Diego
Curious about the weather in San Diego on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
San Diego weather at a glance
This page gathers everything about the weather in San Diego, CA: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “overcast”, it is 21 °C (feels like 25 °C) and the wind blows at 8 km/h.
Expected range today: 19 °C to 21 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the San Diego forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
