⭐ Support Time.now: Join our Premium Plan for an ad-free experience! ⭐ Support Us: Go Premium Ad-Free!

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 7:02PM PDT until July 21 at 11:00PM PDT by NWS Los Angeles/Oxnard CA
Overcast
13°C
Feels like 14°C. Overcast.
🌬️ 5 km/h S
💧 93% Humidity
🧭 1016 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 1.2
🌡️ Dew Point: 13°C
🌅 Sunrise: 06:02 AM
🌇 Sunset: 08:15 PM
Map Overlays:
Temperature Precipitation Pressure Wind Speed Clear

In San Luis Obispo right now it is 13°C and overcast, feeling like 14°C. Humidity is 93% with winds around 5 km/h, and the UV index is 1 (low). Over the next few days, temperatures in San Luis Obispo range from about 12°C to 29°C. ⚠️ Beach Hazards Statement issued July 18 at 7:02PM PDT until July 21 at 11:00PM PDT by NWS Los Angeles/Oxnard CA

Hourly Forecast for San Luis Obispo

09:00
Sunny
17°
11%
10:00
Sunny
20°
5%
11:00
Sunny
23°
3%
12:00
Sunny
25°
2%
13:00
Sunny
25°
2%
14:00
Sunny
26°
2%
15:00
Sunny
25°
3%
16:00
Sunny
24°
2%
17:00
Sunny
23°
2%
18:00
Sunny
22°
2%
19:00
Sunny
20°
3%
20:00
Sunny
16°
6%
21:00
Clear
14°
9%
22:00
Clear
14°
9%
23:00
Clear
13°
9%
00:00
Clear
13°
8%
01:00
Clear
14°
6%
02:00
Clear
14°
5%
03:00
Clear
14°
5%
04:00
Clear
14°
4%
05:00
Clear
14°
4%
06:00
Clear
14°
4%
07:00
Sunny
16°
3%
08:00
Sunny
20°
2%

14-Day Forecast for San Luis Obispo

Sun, Jul 19
Sunny Sunny
26° / 12°
Mon, Jul 20
Sunny Sunny
26° / 13°
Tue, Jul 21
Sunny Sunny
29° / 17°
Wed, Jul 22
Sunny Sunny
27° / 15°
Thu, Jul 23
Sunny Sunny
30° / 14°
Fri, Jul 24
Sunny Sunny
26° / 13°
Sat, Jul 25
Sunny Sunny
26° / 13°
Sun, Jul 26
Sunny Sunny
28° / 13°
Mon, Jul 27
Sunny Sunny
28° / 14°
Tue, Jul 28
Sunny Sunny
27° / 14°
Wed, Jul 29
Sunny Sunny
27° / 13°
Thu, Jul 30
Sunny Sunny
29° / 14°
Fri, Jul 31
Sunny Sunny
29° / 18°
Sat, Aug 01
Sunny Sunny
29° / 15°

Additional Forecasts for San Luis Obispo

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 101.0 μg/m³
O₃ (Ozone) 38.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.4 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 10.9 μg/m³
PM10 (Coarse particles) 16.5 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

New York City Los Angeles Brooklyn Chicago Houston Queens Phoenix Philadelphia Manhattan San Antonio San Diego The Bronx Dallas Jacksonville Austin Fort Worth Columbus Indianapolis Charlotte San Francisco Seattle Denver Washington, D.C. Washington Nashville El Paso Oklahoma City Detroit Boston Portland

Browse Weather in United States by cities in alphabetical order:

A B C D E F G H I J K L M N O P Q R S T V W

Weather in United States ›

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 21°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 14°C).

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

Conditions in San Luis Obispo right now: Overcast, humidity 93%, wind 5 km/h S.

What is today's forecast for San Luis Obispo?

Today in San Luis Obispo: high 26°C, low 12°C, sunny. Chance of rain: 10%.

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

Daily highs and lows for San Luis Obispo:

  • 2026-07-19: 26°C / 12°C
  • 2026-07-20: 26°C / 13°C
  • 2026-07-21: 29°C / 17°C
  • 2026-07-22: 27°C / 15°C
  • 2026-07-23: 30°C / 14°C
  • 2026-07-24: 26°C / 13°C
  • 2026-07-25: 26°C / 13°C
Is it going to rain in San Luis Obispo today?

There is a 10% chance of rain in San Luis Obispo today.

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

Wind in San Luis Obispo is currently 5 km/h (3 mph) from the S.

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

The UV index in San Luis Obispo is currently 1.2 (low). Sun protection is recommended when the index is 3 or higher.

Learn More about Weather

How to Read the US EPA Air Quality Index Before Going Outside

How to Read the US EPA Air Quality Index Before Going Outside

Read More →
Understanding Air Quality Index Levels and What They Mean

Understanding Air Quality Index Levels and What They Mean

Read More →
What to Do When Severe Weather Alerts Hit Your Phone

What to Do When Severe Weather Alerts Hit Your Phone

Read More →
Historical Weather Events That Changed How We Forecast

Historical Weather Events That Changed How We Forecast

Read More →
The Tools Meteorologists Use to Measure Conditions

The Tools Meteorologists Use to Measure Conditions

Read More →
High Pressure and Low Pressure Systems That Control Weather

High Pressure and Low Pressure Systems That Control Weather

Read More →
Staying Safe When Bad Weather Rolls Through Your Area

Staying Safe When Bad Weather Rolls Through Your Area

Read More →
What Your Hourly Forecast Actually Tells You About Today

What Your Hourly Forecast Actually Tells You About Today

Read More →
Planning the Next 10 Days Using Weather Trends

Planning the Next 10 Days Using Weather Trends

Read More →
Why Atmospheric Layers Matter for Ground Level Weather

Why Atmospheric Layers Matter for Ground Level Weather

Read More →
Weather vs Climate and Why People Mix Them Up

Weather vs Climate and Why People Mix Them Up

Read More →
Cold Fronts and Warm Fronts That Change Your Weekend Plans

Cold Fronts and Warm Fronts That Change Your Weekend Plans

Read More →
Weather forecasts for other major cities in 🇺🇸 United States: New York City · Los Angeles · Brooklyn · Chicago · Houston · Queens · Phoenix · Philadelphia · Manhattan · San Antonio · San Diego · The Bronx · Dallas · Jacksonville · Austin · Fort Worth · Columbus · Indianapolis · Charlotte · San Francisco · Seattle · Denver · Washington, D.C. · Washington · Nashville · El Paso · Oklahoma City · Detroit · Boston · Portland · New South Memphis · Memphis · Las Vegas · Milwaukee · Baltimore · South Boston · Albuquerque · Tucson · Fresno · Sacramento · Omaha · Kansas City · Long Beach · Mesa · Staten Island · Atlanta · Colorado Springs · Virginia Beach · Raleigh · Miami