Altadena, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 91°F 33°C Heat Index: 94°F	Observed at: Altadena, CA	Elevation: 800 ft | 244 m
	Last Updated: July 24, 5:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 91°F | 33°C
	Pressure: 28.46 in | 963.7 mb	Dewpoint: 67°F | 19°C
	Humidity: 45%	Wind: SW 5 mph | SW 8 kph
	Feels Like: 96°F | 36°C	Visibility: 105.8 mi | 170.3 km
	Lat/Long: 34.1897 | -118.1312	Sunrise: 5:58 AM   Sunset: 7:59 PM

7 Day Graphical Forecast

Valid: 5:33 PM 7/24/2026

Today Partly Cloudy 95 |67 °F 35 |20 °C 0% Chance Precipitation Saturday Overcast 96 |67 °F 36 |20 °C 0% Chance Precipitation Sunday Overcast 94 |67 °F 34 |19 °C 1% Chance Precipitation Monday Overcast 93 |75 °F 34 |24 °C 0% Chance Precipitation Tuesday Overcast 92 |74 °F 33 |24 °C 0% Chance Precipitation Wednesday Partly Cloudy 91 |73 °F 33 |23 °C 0% Chance Precipitation Thursday Mostly Clear 91 |72 °F 33 |22 °C 0% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:33 PM 7/24/2026

5 PM Clear 91 °F 0% Chance Precipitation

6 PM Clear 88 °F 0% Chance Precipitation

7 PM Clear 84 °F 0% Chance Precipitation

8 PM Clear 79 °F 0% Chance Precipitation

9 PM Clear 76 °F 0% Chance Precipitation

10 PM Clear 73 °F 0% Chance Precipitation

11 PM Clear 71 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Altadena, CA - (Fahrenheit & Celsius) Valid: 5:33 PM 7/24/2026 Today Partly Cloudy with a high near 95°F [35°C]. S wind to around 7 mph [12 kph], with gusts to near 10 mph [17 kph]. Dewpoint near 67°F [19°C] with humidity of 83%. Pressure around 28.46 in [963.7 mb]. UV Index: 8.45. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Partly Cloudy with a low around 67°F [20°C]. S wind to around 7 mph [12 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 96°F [36°C]. S wind to around 7 mph [12 kph], with gusts to near 8 mph [13 kph]. Dewpoint near 67°F [19°C] with humidity of 87%. Pressure around 28.46 in [963.7 mb]. UV Index: 8.45. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 67°F [20°C]. S wind to around 7 mph [12 kph], with gusts to near 8 mph [13 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 94°F [34°C]. SSW wind to around 9 mph [15 kph], with gusts to near 6 mph [10 kph]. Dewpoint near 67°F [19°C] with humidity of 85%. Pressure around 28.46 in [963.7 mb]. UV Index: 8.45. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 67°F [19°C]. SSW wind to around 9 mph [15 kph], with gusts to near 6 mph [10 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 93°F [34°C]. SSW wind to around 10 mph [17 kph], with gusts to near 7 mph [11 kph]. Dewpoint near 67°F [19°C] with humidity of 56%. Pressure around 28.46 in [963.7 mb]. UV Index: 8.4. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 75°F [24°C]. SSW wind to around 10 mph [17 kph], with gusts to near 7 mph [11 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 92°F [33°C]. SSW wind to around 9 mph [15 kph], with gusts to near 6 mph [9 kph]. Dewpoint near 67°F [19°C] with humidity of 56%. Pressure around 28.46 in [963.7 mb]. UV Index: 8.4. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 74°F [24°C]. SSW wind to around 9 mph [15 kph], with gusts to near 6 mph [9 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Partly Cloudy with a high near 91°F [33°C]. S wind to around 10 mph [15 kph], with gusts to near 7 mph [11 kph]. Dewpoint near 67°F [19°C] with humidity of 56%. Pressure around 28.46 in [963.7 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Night Partly Cloudy with a low around 73°F [23°C]. S wind to around 10 mph [15 kph], with gusts to near 7 mph [11 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Mostly Clear with a high near 91°F [33°C]. SSW wind to around 9 mph [14 kph], with gusts to near 6 mph [10 kph]. Dewpoint near 67°F [19°C] with humidity of 61%. Pressure around 28.46 in [963.7 mb]. UV Index: 8.3. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Mostly Clear with a low around 72°F [22°C]. SSW wind to around 9 mph [14 kph], with gusts to near 6 mph [10 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Altadena, CA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Altadena, CA

Today: S @ 12 kph | 7 mph

Tonight: S @ 12 kph | 7 mph

Saturday: S @ 12 kph | 7 mph

Saturday Night: S @ 12 kph | 7 mph

Sunday: SSW @ 15 kph | 9 mph

Sunday Night: SSW @ 15 kph | 9 mph

Monday: SSW @ 17 kph | 10 mph

Monday Night: SSW @ 17 kph | 10 mph

Tuesday: SSW @ 15 kph | 9 mph

Tuesday Night: SSW @ 15 kph | 9 mph

Wednesday: S @ 15 kph | 10 mph

Wednesday Night: S @ 15 kph | 10 mph

Thursday: SSW @ 14 kph | 9 mph

Thursday Night: SSW @ 14 kph | 9 mph

7 Day and Night - Maximum Humidity Forecast for Altadena, CA

Today: 83 %

Tonight: 83 %

Saturday: 87 %

Saturday Night: 87 %

Sunday: 85 %

Sunday Night: 85 %

Monday: 56 %

Monday Night: 56 %

Tuesday: 56 %

Tuesday Night: 56 %

Wednesday: 56 %

Wednesday Night: 56 %

Thursday: 61 %

Thursday Night: 61 %

7 Day and Night - Snowfall Totals Forecast for Altadena, CA

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

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