Altadena, CA Weather

Updated: Sat Jul 12th 2025 6:15 PM PDT
Sunny

83°F 28°C

Feels Like 84°F / 29°C

Altadena, CA  weather condition is Sunny and 83°F.

Today's Weather in Altadena,CA

The current weather in Altadena CA as of 6:15 PM PDT on Sat Jul 12th 2025, has a sky condition of Sunny with the visibility of 9 mile(s) and the UV index at 1.2. It is 83 degrees fahrenheit but feels like 84 degrees. The barometric pressure is 29.93 - measured by inches of mercury - and is steady since its last observation. The humidity is 48 percent that's steady since the last report, with a dew point of 60 degrees fahrenheit which is falling. Wind direction is from the South-Southwest at 6.7 miles per hour, gusting at 10 miles per hour. Sunrise was at 5:51 AM and Sunset is at 8:06 PM. The moon phase is a Waning Gibbous moon rising at 9:48 PM. Thank you for listening to the weather report from LocalConditions.com!

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  • Barometer 29.93 inHg. steady
  • Humidity 48% steady
  • Heat Index 81°F
  • Wind from SSW. 6.7 mph
  • Wind Gust 10 miles per hour
  • Wind Chill 79°F
  • UV Index 1.2
  • Dew Point 60°F falling
  • Visibility 9 mi.
  • Sunrise 5:51 AM
  • Sunset 8:06 PM
  • Moonrise 9:48 PM
  • Moonset 7:30 AM
  • Moon Phase Waning Gibbous Moon

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Hourly Forecast - Next 8 hours

5 Day Forecast

Sunny

Sunny with a high of 89°F and a low of 62°F. Winds will be light at 9mph at times. Humidity levels are comfortable, sitting around 58%.

Temperature Humidity Rainfall Snow Wind
Hi 89° | Lo 62° 58% 0% 0% 8.9 mph

Sunny

Sunny with a high of 89°F and a low of 65°F. Winds will be light at 10mph at times. Humidity levels are comfortable, sitting around 54%.

Temperature Humidity Rainfall Snow Wind
Hi 89° | Lo 65° 54% 0% 0% 9.2 mph

Sunny

Sunny with a high of 81°F and a low of 59°F. Winds will be light at 10mph at times. The humidity will be on the higher side, reaching around 62%.

Temperature Humidity Rainfall Snow Wind
Hi 81° | Lo 59° 62% 0% 0% 9.6 mph

Sunny

Sunny with a high of 79°F and a low of 59°F. Winds will be light at 10mph at times. Humidity levels are comfortable, sitting around 52%.

Temperature Humidity Rainfall Snow Wind
Hi 79° | Lo 59° 52% 0% 0% 9.4 mph

Sunny

Sunny with a high of 81°F and a low of 63°F. Winds will be light at 10mph at times. Humidity levels are comfortable, sitting around 51%.

Temperature Humidity Rainfall Snow Wind
Hi 81° | Lo 63° 51% 0% 0% 9.4 mph

Weather Radar Map

Live Altadena, CA weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Wednesday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

 

The current temperature today is 83°F. The morning temperature of 61°F is lowest at 4am with the daytime high of 87°F at 3pm and a low around 65°F at 11pm is expected.

Hourly Barometric Pressure

 

The highest pressure today is 30inHg at 9am and lowest being 29.92inHg at 4am.

Hourly Wind Speeds

 

The fastest wind is reported to be 9.2mph at 2pm, while the slowest is 0.2mph around 11pm; expect wind gusts peaking 10.6mph at 2pm.

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