Altadena, CA Hourly Weather

Los Angeles County12:10 PM PDT34.19°N, 118.13°WElevation 1,358 ft

Next 48 hours

12 PM 3 PM 6 PM 9 PM Thu Oct 22 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Fri Oct 23 12 AM 3 AM 6 AM 9 AM 55° 60° 65° 70° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 2112 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 PM Rain Likely 68° 68° 57% 0.04 in S 10 69% 57° 88% 6
1 PM Rain Likely 69° 69° 57% 0.04 in S 10 71% 59° 88% 6
2 PM Rain Likely 68° 68° 57% 0.04 in S 5 71% 58° 88% 5
3 PM Rain Likely 68° 68° 57% 0.04 in S 5 74% 59° 88% 3
4 PM Rain Likely 69° 69° 57% 0.04 in S 5 77% 61° 88% 1
5 PM Rain 66° 66° 81% 0.05 in SSE 10 82% 60° 91% 0
6 PM Rain 65° 65° 81% 0.05 in SSE 10 82% 59° 91% 0
7 PM Rain 64° 64° 81% 0.05 in SSE 10 86% 60° 91% 0
8 PM Rain 62° 62° 81% 0.05 in SSE 10 91% 59° 91% 0
9 PM Rain 61° 61° 81% 0.05 in SSE 10 96% 60° 91% 0
10 PM Rain 60° 60° 81% 0.05 in SSE 10 100% 60° 91% 0
11 PM Rain 60° 60° 97% 0.08 in SE 10 100% 60° 99% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Rain 61° 61° 97% 0.08 in SE 10 100% 61° 99% 0
1 AM Rain 61° 61° 97% 0.08 in SE 10 100% 61° 99% 0
2 AM Rain 61° 61° 97% 0.08 in ESE 5 100% 61° 99% 0
3 AM Rain 61° 61° 97% 0.08 in ESE 5 100% 61° 99% 0
4 AM Rain 60° 60° 97% 0.08 in ESE 5 100% 60° 99% 0
5 AM Rain 61° 61° 97% 0.06 in SE 5 100% 61° 98% 0
6 AM Rain 60° 60° 97% 0.06 in SE 5 100% 60° 98% 0
7 AM Rain 60° 60° 97% 0.06 in SE 5 100% 60° 98% 0
8 AM Rain 60° 60° 97% 0.06 in SE 5 100% 60° 98% 0
9 AM Rain 60° 60° 97% 0.06 in SE 5 100% 60° 98% 1
10 AM Rain 61° 61° 97% 0.06 in SE 5 100% 61° 98% 3
11 AM Rain 61° 61° 92% 0.03 in S 5 100% 61° 95% 4
12 PM Rain 62° 62° 92% 0.03 in S 5 100% 62° 95% 5
1 PM Rain 63° 63° 92% 0.03 in S 5 99% 63° 95% 5
2 PM Rain 64° 64° 92% 0.03 in SW 5 99% 64° 95% 4
3 PM Rain 64° 64° 92% 0.03 in SW 5 99% 64° 95% 3
4 PM Rain 64° 64° 92% 0.03 in SW 5 100% 64° 95% 1
5 PM Chance Rain Showers 63° 63° 29% <0.01 in Calm 100% 63° 53% 0
6 PM Chance Rain Showers 62° 62° 29% <0.01 in Calm 100% 62° 53% 0
7 PM Chance Rain Showers 60° 60° 29% <0.01 in Calm 100% 60° 53% 0
8 PM Chance Rain Showers 59° 59° 29% <0.01 in Calm 100% 59° 53% 0
9 PM Chance Rain Showers 58° 58° 29% <0.01 in Calm 100% 58° 53% 0
10 PM Chance Rain Showers 58° 58° 29% <0.01 in Calm 100% 58° 53% 0
11 PM Mostly Cloudy 58° 58° 6% 0.00 in Calm 100% 58° 53% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 58° 58° 6% 0.00 in Calm 100% 58° 53% 0
1 AM Mostly Cloudy 57° 57° 6% 0.00 in Calm 100% 57° 53% 0
2 AM Mostly Cloudy 57° 57° 6% 0.00 in Calm 100% 57° 53% 0
3 AM Mostly Cloudy 57° 57° 6% 0.00 in Calm 100% 57° 53% 0
4 AM Mostly Cloudy 56° 56° 6% 0.00 in Calm 100% 56° 53% 0
5 AM Partly Cloudy 56° 56° 0% 0.00 in Calm 100% 56° 28% 0
6 AM Mostly Sunny 56° 56° 0% 0.00 in Calm 100% 56° 28% 0
7 AM Mostly Sunny 55° 55° 0% 0.00 in Calm 100% 55° 28% 0
8 AM Mostly Sunny 56° 56° 0% 0.00 in Calm 100% 56° 28% 0
9 AM Mostly Sunny 58° 58° 0% 0.00 in Calm 100% 58° 28% 1
10 AM Mostly Sunny 60° 60° 0% 0.00 in Calm 98% 59° 28% 3
11 AM Sunny 62° 62° 2% 0.00 in Calm 96% 61° 16% 5
12 PM Sunny 65° 65° 2% 0.00 in Calm 91% 62° 16% –
1 PM Sunny 67° 67° 2% 0.00 in Calm 85% 62° 16% –
2 PM Sunny 69° 69° 2% 0.00 in Calm 80% 63° 16% –
3 PM Sunny 70° 70° 2% 0.00 in Calm 78% 63° 16% –
4 PM Sunny 70° 70° 2% 0.00 in Calm 79% 63° 16% –
5 PM Sunny 68° 68° 0% 0.00 in Calm 78% 61° 9% –
6 PM Mostly Clear 66° 66° 0% 0.00 in Calm 80% 60° 9% –
7 PM Mostly Clear 64° 64° 0% 0.00 in Calm 81% 58° 9% –
8 PM Mostly Clear 62° 62° 0% 0.00 in Calm 84% 57° 9% –
9 PM Mostly Clear 60° 60° 0% 0.00 in Calm 88% 56° 9% –
10 PM Mostly Clear 58° 58° 0% 0.00 in Calm 93% 56° 9% –
11 PM Clear 57° 57° 0% 0.00 in NNE 5 96% 56° 2% –
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 56° 56° 0% 0.00 in NNE 5 98% 55° 2% –
1 AM Clear 56° 56° 0% 0.00 in NNE 5 97% 55° 2% –
2 AM Clear 56° 56° 0% 0.00 in NNE 5 96% 55° 2% –
3 AM Clear 56° 56° 0% 0.00 in NNE 5 97% 55° 2% –
4 AM Clear 55° 55° 0% 0.00 in NNE 5 97% 54° 2% –
5 AM Mostly Clear 55° 55° 0% 0.00 in NNE 5 96% 54° 6% –
6 AM Sunny 55° 55° 0% 0.00 in NNE 5 97% 54° 6% –
7 AM Sunny 55° 55° 0% 0.00 in NNE 5 95% 54° 6% –
8 AM Sunny 57° 57° 0% 0.00 in NNE 5 90% 54° 6% –
9 AM Sunny 61° 61° 0% 0.00 in NNE 5 78% 54° 6% –
10 AM Sunny 66° 66° 0% 0.00 in NNE 5 66% 54° 6% –
11 AM Sunny 70° 70° 0% 0.00 in Calm 57% 54° 2% –
12 PM Sunny 73° 73° 0% 0.00 in Calm 52% 54° 2% –
1 PM Sunny 74° 74° 0% 0.00 in Calm 49% 54° 2% –
2 PM Sunny 75° 75° 0% 0.00 in Calm 48% 54° 2% –
3 PM Sunny 76° 76° 0% 0.00 in Calm 48% 55° 2% –
4 PM Sunny 75° 75° 0% 0.00 in Calm 48% 54° 2% –
5 PM Sunny 74° 74° 0% 0.00 in Calm 50% 54° 0% –
6 PM Clear 71° 71° 0% 0.00 in Calm 51% 52° 0% –
7 PM Clear 67° 67° 0% 0.00 in Calm 54% 50° 0% –
8 PM Clear 64° 64° 0% 0.00 in N 5 G13 56% 48° 0% –
9 PM Clear 62° 62° 0% 0.00 in N 5 G13 58% 47° 0% –
10 PM Clear 62° 62° 0% 0.00 in N 5 G13 59% 48° 0% –
11 PM Clear 61° 61° 0% 0.00 in NNE 10 G16 60% 47° 4% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 60° 60° 0% 0.00 in NNE 10 G16 61% 47° 4% –
1 AM Clear 60° 60° 0% 0.00 in NNE 10 G16 61% 47° 4% –
2 AM Clear 59° 59° 0% 0.00 in NNE 5 G10 62% 46° 4% –
3 AM Clear 58° 58° 0% 0.00 in NNE 5 G10 63% 45° 4% –
4 AM Clear 58° 58° 0% 0.00 in NNE 5 G10 64% 46° 4% –
5 AM Mostly Clear 58° 58° 0% 0.00 in NNE 5 64% 46° 13% –
6 AM Sunny 58° 58° 0% 0.00 in NNE 5 66% 47° 13% –
7 AM Sunny 58° 58° 0% 0.00 in NNE 5 67% 47° 13% –
8 AM Sunny 59° 59° 0% 0.00 in NNE 5 G10 64% 47° 13% –
9 AM Sunny 63° 63° 0% 0.00 in NNE 5 G10 57% 48° 13% –
10 AM Sunny 68° 68° 0% 0.00 in NNE 5 G10 49% 48° 13% –
11 AM Sunny 72° 72° 0% 0.00 in Calm 43% 48° 18% –
12 PM Sunny 75° 75° 0% 0.00 in Calm 39% 48° 18% –
1 PM Sunny 76° 76° 0% 0.00 in Calm 38% 49° 18% –
2 PM Sunny 77° 77° 0% 0.00 in Calm 37% 49° 18% –
3 PM Sunny 77° 77° 0% 0.00 in Calm 38% 49° 18% –
4 PM Sunny 77° 77° 0% 0.00 in Calm 40% 51° 18% –
5 PM Sunny 75° 75° 0% 0.00 in Calm 43% 51° 24% –
6 PM Mostly Clear 73° 73° 0% 0.00 in Calm 45% 50° 24% –
7 PM Mostly Clear 70° 70° 0% 0.00 in Calm 48% 49° 24% –
8 PM Mostly Clear 67° 67° 0% 0.00 in N 5 G13 50% 48° 24% –
9 PM Mostly Clear 65° 65° 0% 0.00 in N 5 G13 53% 47° 24% –
10 PM Mostly Clear 63° 63° 0% 0.00 in N 5 G13 56% 47° 24% –
11 PM Partly Cloudy 62° 62° 0% 0.00 in NNE 5 G14 58% 47° 28% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 61° 61° 0% 0.00 in NNE 5 G14 59% 47° 28% –
1 AM Partly Cloudy 60° 60° 0% 0.00 in NNE 5 G14 60% 46° 28% –
2 AM Partly Cloudy 60° 60° 0% 0.00 in NNE 5 60% 46° 28% –
3 AM Partly Cloudy 60° 60° 0% 0.00 in NNE 5 60% 46° 28% –
4 AM Partly Cloudy 60° 60° 0% 0.00 in NNE 5 60% 46° 28% –
5 AM Partly Cloudy 60° 60° 0% 0.00 in NNE 5 60% 46° 31% –
6 AM Mostly Sunny 60° 60° 0% 0.00 in NNE 5 60% 46° 31% –
7 AM Mostly Sunny 61° 61° 0% 0.00 in NNE 5 60% 47° 31% –
8 AM Mostly Sunny 62° 62° 0% 0.00 in NNE 5 58% 47° 31% –
9 AM Mostly Sunny 65° 65° 0% 0.00 in NNE 5 52% 47° 31% –
10 AM Mostly Sunny 69° 69° 0% 0.00 in NNE 5 46% 47° 31% –
11 AM Sunny 73° 73° 0% 0.00 in Calm 41% 48° 17% –
12 PM Sunny 76° 76° 0% 0.00 in Calm 38% 49° 17% –
1 PM Sunny 77° 77° 0% 0.00 in Calm 35% 47° 17% –
2 PM Sunny 78° 78° 0% 0.00 in Calm 35% 48° 17% –
3 PM Sunny 78° 78° 0% 0.00 in Calm 36% 49° 17% –
4 PM Sunny 78° 78° 0% 0.00 in Calm 38% 50° 17% –
5 PM Sunny 76° 76° 1% 0.00 in Calm 42% 51° 9% –
6 PM Mostly Clear 73° 73° 1% 0.00 in Calm 45% 50° 9% –
7 PM Mostly Clear 70° 70° 1% 0.00 in Calm 49% 50° 9% –
8 PM Mostly Clear 67° 67° 1% 0.00 in Calm 52% 49° 9% –
9 PM Mostly Clear 65° 65° 1% 0.00 in Calm 55% 48° 9% –
10 PM Mostly Clear 64° 64° 1% 0.00 in Calm 57% 48° 9% –
11 PM Mostly Clear 63° 63° 1% 0.00 in NNE 5 G12 58% 48° 8% –
Tuesday, October 279 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 62° 62° 1% 0.00 in NNE 5 G12 59% 48° 8% –
1 AM Mostly Clear 62° 62° 1% 0.00 in NNE 5 G12 59% 48° 8% –
2 AM Mostly Clear 61° 61° 1% 0.00 in NNE 5 60% 47° 8% –
3 AM Mostly Clear 60° 60° 1% 0.00 in NNE 5 62% 47° 8% –
4 AM Mostly Clear 59° 59° 1% 0.00 in NNE 5 63% 46° 8% –
5 AM Partly Cloudy 59° 59° 0% 0.00 in NNE 5 64% 47° 31% –
6 AM Mostly Sunny 59° 59° 0% 0.00 in NNE 5 65% 47° 31% –
7 AM Mostly Sunny 60° 60° 0% 0.00 in NNE 5 63% 47° 31% –
8 AM Mostly Sunny 62° 62° 0% 0.00 in NNE 5 60% 48° 31% –

National Weather Service forecast updated 15 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.