Today, 28 July, Tuesday, in San Diego (United States): partly cloudy, warm. During the day the air will warm up to +26°, at night around +20°. Due to high humidity it feels like +30°. UV is extreme (index 8) — better stay in the shade at midday. Wind up to 13 km/h. No precipitation expected, you won't need an umbrella. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +23° — great for swimming. The sun will rise at 06:00 and set at 19:50 — daylight lasts 14 hours.
Hourly weather in San Diego
💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in San Diego for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 28.7
🌫️
+20°+26°
Morning
🌫️
+22°
Day
🌫️
+26°
Evening
🌇
+25°
Night
🌙
+20°
Fog · precipitation 0% · wind up to 13 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Tomorrow 29.7
🌫️
💧 1%
+19°+25°
Morning
☁️
+20°
Day
🌫️
+25°
Evening
🌇
+21°
Night
🌙
+19°
Fog · precipitation 1% · wind up to 14 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 30.7
☁️
+18°+26°
Morning
☁️
+21°
Day
☁️
+26°
Evening
🌇
+24°
Night
🌙
+18°
Overcast · precipitation 0% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 31.7
☁️
+22°+28°
Morning
☁️
+24°
Day
☁️
+28°
Evening
🌇
+27°
Night
🌙
+22°
Overcast · precipitation 0% · wind up to 16 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sat 1.8
☀️
💧 1%
+23°+28°
Morning
☀️
+25°
Day
☀️
+28°
Evening
🌇
+27°
Night
🌙
+23°
Clear · precipitation 1% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sun 2.8
⛅
+22°+25°
Morning
⛅
+23°
Day
⛅
+25°
Evening
🌇
+24°
Night
🌙
+22°
Partly cloudy · precipitation 0% · wind up to 14 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Mon 3.8
☁️
+22°+25°
Morning
☁️
+23°
Day
☁️
+25°
Evening
🌇
+24°
Night
🌙
+22°
Overcast · precipitation 0% · wind up to 14 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Tue 4.8
☁️
💧 2%
+22°+26°
Morning
☁️
+23°
Day
☁️
+26°
Evening
🌇
+25°
Night
🌙
+22°
Overcast · precipitation 2% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Wed 5.8
☁️
💧 5%
+23°+27°
Morning
☁️
+24°
Day
☁️
+27°
Evening
🌇
+26°
Night
🌙
+23°
Overcast · precipitation 5% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 6.8
☁️
💧 4%
+22°+26°
Morning
☁️
+23°
Day
☁️
+26°
Evening
🌇
+25°
Night
🌙
+22°
Overcast · precipitation 4% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 7.8
⛅
💧 3%
+22°+25°
Morning
⛅
+23°
Day
⛅
+25°
Evening
🌇
+24°
Night
🌙
+22°
Partly cloudy · precipitation 3% · wind up to 16 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sat 8.8
🌤️
💧 3%
+22°+26°
Morning
🌤️
+23°
Day
🌤️
+26°
Evening
🌇
+25°
Night
🌙
+22°
Mostly clear · precipitation 3% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sun 9.8
🌤️
💧 6%
+23°+27°
Morning
🌤️
+24°
Day
🌤️
+27°
Evening
🌇
+26°
Night
🌙
+23°
Mostly clear · precipitation 6% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Mon 10.8
🌤️
💧 17%
+23°+27°
Morning
🌤️
+24°
Day
🌤️
+27°
Evening
🌇
+26°
Night
🌙
+23°
Mostly clear · precipitation 17% · wind up to 17 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
85 / 100
for sea and sun · Excellent
🏊 Swimming
82 / 100
water 23° · Excellent
🏃 Running
68 / 100
comfort for running · Good
🧴 UV
72%
extreme · high
☂️ Rain
0%
unlikely · low
✨ Stars
88 / 100
evening visibility · Excellent
🧺 Laundry drying
67 / 100
will dry outside · Good
🚗 Car wash
95 / 100
no rain expected · Excellent
🌫️ Air quality
36
Good air
European AQI
PM2.5: 14PM10: 21O₃: 91NO₂: 3
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:00
Sunset
19:50
Golden hour
19:15
Daylight
14 h (-1 min vs yesterday)
Sea temperature
+23°
🌊 slight, waves 1.1 m.
San Diego climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+17°
+9°
Jan
+17°
+9°
Feb
+18°
+11°
Mar
+19°
+12°
Apr
+20°
+14°
May
+22°
+15°
Jun
+24°
+17°
Jul
+25°
+18°
Aug
+25°
+18°
Sep
+23°
+15°
Oct
+20°
+12°
Nov
+17°
+9°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
+17°
+9°
+15°
58 mm
A fresh month — +17° daytime, take a jacket for walks. 🙂 a sweater for the evening. The water is cold (+15°) — swimming is for the brave.
February
+17°
+9°
+15°
73 mm
Cool weather: +17° by day, noticeably colder in the evening. One of the wettest months (73 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+15°) — swimming is for the brave. This is the coldest month of the year.
March
+18°
+11°
+16°
48 mm
Cool: around +18° by day, you'll need a warm layer. 🙂 a sweater for the evening. The water is cold (+16°) — swimming is for the brave.
April
+19°
+12°
+17°
24 mm
Ideal weather: +19° daytime — neither hot nor cold. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave.
May
+20°
+14°
+18°
10 mm
The most pleasant season: +20° by day, comfortable all day long. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing.
June
+22°
+15°
+19°
2 mm
One of the best times to visit: +22° by day, fresh nights. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. One of the driest months — rain is very unlikely.
July
+24°
+17°
+21°
2 mm
Ideal weather: +24° daytime — neither hot nor cold. 😊 light summer clothing. Sea at +21° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
August
+25°
+18°
+21°
2 mm
The most pleasant season: +25° by day, comfortable all day long. 😊 light summer clothing. Sea at +21° — swimmable, refreshing. This is the hottest month of the year in San Diego.
September
+25°
+18°
+21°
4 mm
One of the best times to visit: +25° by day, fresh nights. 😊 light summer clothing. Sea at +21° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
October
+23°
+15°
+19°
15 mm
Ideal weather: +23° daytime — neither hot nor cold. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing.
November
+20°
+12°
+17°
23 mm
The most pleasant season: +20° by day, comfortable all day long. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave.
December
+17°
+9°
+16°
49 mm
Cool: around +17° by day, you'll need a warm layer. 🙂 a sweater for the evening. The water is cold (+16°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.
When to visit San Diego
✅ Recommended time to visit
🌟 Best time: July, August, September
Daytime air+24…+25°
Sea temperature+21…+21°
Precipitationalmost none
Why: comfortable +24…+25° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: March, April, May, June, October, November
Daytime air+18…+23°
Sea temperature+16…+19°
Precipitationrare
Why: cool (+18…+23°) — not beach season, but great for city sights and museums.
🔴 Not the best time
🌤️ Shoulder season: January, February, December
Daytime air+17…+17°
Sea temperature+15…+16°
Precipitationoften
Bottom line: the best time to visit San Diego is July – September, and the most comfortable months are July, August, September. The toughest months to visit are January, February, December: cool and damp.
🌡️ Today vs the climate normal
Today's high
+26°
Normal for July
+24°
Deviation
2° warmer than normal
A year ago on this day
+23°
Record for this date
+32° (1947)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for San Diego
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.