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Weather in San Luis Obispo, United States 🇺🇸

Weather Forecast in San Luis Obispo

Current Weather in San Luis Obispo

Beach Hazards Statement issued July 18 at 1:24AM PDT until July 21 at 11:00PM PDT by NWS Los Angeles/Oxnard CA
Overcast
13°C
Feels like 13°C. Overcast.
🌬️ 6 km/h SE
💧 93% Humidity
🧭 1017 hPa
👁️ 14.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 14°C
🌅 Sunrise: 06:01 AM
🌇 Sunset: 08:16 PM
Map Overlays:
Temperature Precipitation Pressure Wind Speed Clear

In San Luis Obispo right now it is 13°C and overcast, feeling like 13°C. Humidity is 93% with winds around 6 km/h, and the UV index is 0 (low). Over the next few days, temperatures in San Luis Obispo range from about 14°C to 28°C. ⚠️ Beach Hazards Statement issued July 18 at 1:24AM PDT until July 21 at 11:00PM PDT by NWS Los Angeles/Oxnard CA

Hourly Forecast for San Luis Obispo

09:00
Overcast
17°
27%
10:00
Partly Cloudy
19°
13%
11:00
Sunny
22°
7%
12:00
Sunny
24°
5%
13:00
Sunny
25°
5%
14:00
Sunny
25°
5%
15:00
Sunny
28°
4%
16:00
Sunny
24°
1%
17:00
Sunny
24°
1%
18:00
Sunny
23°
2%
19:00
Sunny
21°
2%
20:00
Sunny
17°
5%
21:00
Clear
15°
7%
22:00
Clear
15°
7%
23:00
Clear
15°
6%
00:00
Clear
15°
6%
01:00
Clear
15°
6%
02:00
Clear
15°
5%
03:00
Clear
15°
5%
04:00
Clear
15°
5%
05:00
Clear
14°
5%
06:00
Clear
14°
5%
07:00
Sunny
16°
4%
08:00
Sunny
20°
2%

14-Day Forecast for San Luis Obispo

Sat, Jul 18
Sunny Sunny
28° / 14°
Sun, Jul 19
Sunny Sunny
26° / 14°
Mon, Jul 20
Sunny Sunny
27° / 14°
Tue, Jul 21
Sunny Sunny
30° / 18°
Wed, Jul 22
Sunny Sunny
27° / 16°
Thu, Jul 23
Sunny Sunny
29° / 16°
Fri, Jul 24
Sunny Sunny
27° / 14°
Sat, Jul 25
Sunny Sunny
27° / 14°
Sun, Jul 26
Sunny Sunny
27° / 14°
Mon, Jul 27
Sunny Sunny
29° / 14°
Tue, Jul 28
Sunny Sunny
35° / 18°
Wed, Jul 29
Sunny Sunny
33° / 20°
Thu, Jul 30
Sunny Sunny
30° / 18°
Fri, Jul 31
Sunny Sunny
27° / 16°

Additional Forecasts for San Luis Obispo

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 114.0 μg/m³
O₃ (Ozone) 27.0 μg/m³
NO₂ (Nitrogen Dioxide) 9.7 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 13.2 μg/m³
PM10 (Coarse particles) 18.7 μg/m³

Historical Weather

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Best Time to Be Outside in San Luis Obispo Today

The most comfortable window in San Luis Obispo today looks like 17:00 to 19:00, when it is around 23°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in San Luis Obispo

What is the temperature in San Luis Obispo right now?

The current temperature in San Luis Obispo is 13°C (56°F), overcast (feels like 13°C).

What's the weather like in San Luis Obispo right now?

Conditions in San Luis Obispo right now: Overcast, humidity 93%, wind 6 km/h SE.

What is today's forecast for San Luis Obispo?

Today in San Luis Obispo: high 28°C, low 14°C, sunny. Chance of rain: 12%.

What is the 7-day weather forecast for San Luis Obispo?

Daily highs and lows for San Luis Obispo:

  • 2026-07-18: 28°C / 14°C
  • 2026-07-19: 26°C / 14°C
  • 2026-07-20: 27°C / 14°C
  • 2026-07-21: 30°C / 18°C
  • 2026-07-22: 27°C / 16°C
  • 2026-07-23: 29°C / 16°C
  • 2026-07-24: 27°C / 14°C
Is it going to rain in San Luis Obispo today?

There is a 12% chance of rain in San Luis Obispo today. Total expected precipitation: 0.01 mm.

What is the wind speed in San Luis Obispo right now?

Wind in San Luis Obispo is currently 6 km/h (4 mph) from the SE.

What is the UV index in San Luis Obispo right now?

The UV index in San Luis Obispo is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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