Weather in San Diego — today
Now in San Diego
🌙
+18°
Clear
Feels like +18° · humidity 77%
Today 27.10: +24° / +20°
🕐 01:25
Wind
6 km/h
UV index
0
Air (AQI)
59 · Moderate
Precipitation
6%
Humidity
77%
Pressure
1016 hPa
Sunrise / sunset
07:02 / 18:02
Sea temperature
🌊 +23°
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
Weather for an activity:
Detailed weather information for San Diego
Today, 27 October, Tuesday, in San Diego (United States): partly cloudy, warm. During the day the air will warm up to +24°, at night around +20°. Due to the wind it feels like +18°. Wind up to 16 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 07:02 and set at 18:02 — daylight lasts 11 hours.Hourly weather in San Diego
💧 The bars at the bottom show the hourly precipitation probability. 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 27.10
☁️
💧 6%
+20° +24°
Morning
☀️
+17°
Day
☁️
+24°
Evening
🌇
+20°
Night
🌙
+20°
▶
Tomorrow 28.10
☁️
💧 5%
+20° +23°
Morning
☁️
+17°
Day
☁️
+23°
Evening
🌇
+19°
Night
🌙
+20°
▶
Thu 29.10
☁️
💧 15%
+19° +22°
Morning
☁️
+20°
Day
☁️
+22°
Evening
🌇
+21°
Night
🌙
+19°
▶
Fri 30.10
🌦️
💧 33%
+18° +20°
Morning
🌦️
+19°
Day
🌦️
+20°
Evening
🌇
+20°
Night
🌙
+18°
▶
Sat 31.10
🌦️
💧 32%
+18° +20°
Morning
🌦️
+19°
Day
🌦️
+20°
Evening
🌇
+20°
Night
🌙
+18°
▶
Sun 1.11
☁️
💧 32%
+17° +23°
Morning
☁️
+19°
Day
☁️
+23°
Evening
🌇
+22°
Night
🌙
+17°
🗺️ 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
70 / 100
for sea and sun · Good
🏊 Swimming
76 / 100
water 23° · Good
🏃 Running
66 / 100
comfort for running · Good
🧴 UV
0%
moderate · low
☂️ Rain
6%
unlikely · low
✨ Stars
84 / 100
evening visibility · Excellent
🧺 Laundry drying
58 / 100
will dry outside · Average
🚗 Car wash
88 / 100
no rain expected · Excellent
🌫️ Air quality
59
Moderate air
European AQI
PM2.5: 22PM10: 24O₃: 8NO₂: 58
Moderate. Those sensitive to dust should be more careful during long outdoor exercise.
🌅 Sun, moon and sea
Sunrise
07:02
Sunset
18:02
Golden hour
17:28
Daylight
11 h (-2 min vs yesterday)
Sea temperature
+23°
🌊 slight, waves 0.8 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
+24°
Normal for October
+23°
Deviation
1° warmer than normal
A year ago on this day
+22°
Record for this date
+31° (2003)
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”.
Show the archive for the selected day →
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Weather in cities near San Diego
Frequently asked questions about the weather in San Diego
What is the weather in San Diego right now?＋
Clear, +18°, feels like +18°.
Will it rain in San Diego today?＋
No: 6% chance, 0 mm.
When is the best time to visit San Diego?＋
Best time to visit — July – September.
Can you swim in San Diego in summer?＋
In winter the water is around +15° — swimming is for the brave. In summer the sea warms up to +21°.
What time are sunrise and sunset in San Diego?＋
Sunrise 07:02, sunset 18:02.
Does it snow in San Diego in winter?＋
No, it practically never snows.
What is the climate in San Diego by month?＋
Summers up to +25° in August, winters around +9° in February; the wettest month is February.
Is it cold in San Diego in winter?＋
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.