Rancho Cucamonga, CA 91730 Hourly Weather

San Bernardino County2:09 AM PDT34.11°N, 117.59°W
Flood Advisory until 6:45 AM Thu

Next 48 hours

2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Fri Oct 23 2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Sat Oct 24 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Thursday, October 2222 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
2 AM Showers And Thunderstorms 62° 63° 98% 0.06 in W 5 G10 98% 62° 100% 0
3 AM Showers And Thunderstorms 62° 62° 98% 0.06 in SW 5 98% 62° 100% 0
4 AM Showers And Thunderstorms 61° 61° 98% 0.06 in S 5 97% 60° 100% 0
5 AM Chance Rain Showers 61° 61° 53% 0.01 in Calm 97% 60° 69% 0
6 AM Chance Rain Showers 61° 61° 53% 0.01 in Calm 96% 60° 69% 0
7 AM Chance Rain Showers 60° 60° 53% 0.01 in W 5 96% 59° 69% 0
8 AM Chance Rain Showers 61° 61° 53% 0.01 in W 5 G10 98% 60° 74% 0
9 AM Chance Rain Showers 61° 61° 53% 0.01 in SW 5 98% 60° 74% 1
10 AM Chance Rain Showers 60° 60° 53% 0.01 in SW 5 G10 99% 60° 74% 3
11 AM Showers And Thunderstorms Likely 62° 62° 74% 0.03 in SW 5 91% 59° 100% 4
12 PM Showers And Thunderstorms Likely 62° 62° 74% 0.03 in S 5 G12 89% 58° 100% 5
1 PM Showers And Thunderstorms Likely 62° 62° 74% 0.03 in NW 5 88% 58° 100% 5
2 PM Showers And Thunderstorms Likely 64° 64° 74% 0.03 in W 5 G10 81% 58° 96% 4
3 PM Showers And Thunderstorms Likely 63° 63° 74% 0.03 in W 10 81% 57° 96% 3
4 PM Showers And Thunderstorms Likely 64° 64° 74% 0.03 in W 10 G16 78% 57° 96% 1
5 PM Chance Rain Showers 63° 63° 31% <0.01 in W 5 G14 81% 57° 74% 0
6 PM Chance Rain Showers 62° 62° 31% <0.01 in W 5 G14 86% 57° 74% 0
7 PM Chance Rain Showers 61° 61° 31% <0.01 in W 5 G12 86% 57° 74% 0
8 PM Chance Rain Showers 60° 60° 31% <0.01 in W 5 G12 87% 56° 74% 0
9 PM Chance Rain Showers 59° 59° 31% <0.01 in W 5 G10 90% 56° 74% 0
10 PM Chance Rain Showers 59° 59° 31% <0.01 in W 5 92% 57° 74% 0
11 PM Slight Chance Rain Showers 59° 59° 21% 0.00 in Calm 92% 56° 61% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Slight Chance Rain Showers 58° 58° 21% 0.00 in NE 5 95% 57° 61% 0
1 AM Slight Chance Rain Showers 58° 58° 21% 0.00 in Calm 96% 57° 61% 0
2 AM Slight Chance Rain Showers 58° 58° 21% 0.00 in E 5 95% 57° 65% 0
3 AM Slight Chance Rain Showers 57° 57° 21% 0.00 in E 5 95% 56° 65% 0
4 AM Slight Chance Rain Showers 57° 57° 21% 0.00 in NE 5 94% 56° 65% 0
5 AM Mostly Cloudy 58° 58° 8% 0.00 in NE 5 94% 56° 64% 0
6 AM Partly Sunny 56° 56° 8% 0.00 in NE 5 G10 93% 54° 64% 0
7 AM Partly Sunny 57° 57° 8% 0.00 in NE 5 G10 94% 55° 64% 0
8 AM Partly Sunny 58° 58° 8% 0.00 in NE 5 G10 94% 57° 55% 0
9 AM Partly Sunny 59° 59° 8% 0.00 in NE 5 95% 58° 55% 1
10 AM Partly Sunny 61° 61° 8% 0.00 in Calm 91% 59° 55% 3
11 AM Mostly Sunny 63° 63° 10% 0.00 in Calm 86% 59° 37% 4
12 PM Mostly Sunny 65° 65° 10% 0.00 in S 5 80% 58° 37% 5
1 PM Mostly Sunny 66° 66° 10% 0.00 in SW 5 77% 59° 37% 5
2 PM Mostly Sunny 67° 67° 10% 0.00 in SW 5 G10 74% 58° 26% 4
3 PM Mostly Sunny 68° 68° 10% 0.00 in SW 5 G10 71% 58° 26% 3
4 PM Mostly Sunny 68° 68° 10% 0.00 in SW 5 G10 70% 58° 26% 1
5 PM Sunny 68° 68° 2% 0.00 in SW 5 G10 72% 58° 15% 0
6 PM Mostly Clear 66° 66° 2% 0.00 in SW 5 G10 76% 58° 15% 0
7 PM Mostly Clear 64° 64° 2% 0.00 in SW 5 G10 79% 58° 15% 0
8 PM Mostly Clear 62° 63° 2% 0.00 in SW 5 G10 80% 56° 15% 0
9 PM Mostly Clear 61° 61° 2% 0.00 in SW 5 83% 56° 15% 0
10 PM Mostly Clear 60° 60° 2% 0.00 in S 5 85% 56° 15% 0
11 PM Mostly Clear 59° 59° 0% 0.00 in Calm 88% 56° 7% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 58° 58° 0% 0.00 in Calm 91% 55° 7% 0
1 AM Mostly Clear 56° 56° 0% 0.00 in NW 5 94% 55° 7% 0
2 AM Mostly Clear 56° 56° 0% 0.00 in N 5 96% 54° 7% 0
3 AM Mostly Clear 55° 55° 0% 0.00 in N 5 95% 54° 7% 0
4 AM Mostly Clear 55° 55° 0% 0.00 in N 5 93% 53° 7% 0
5 AM Mostly Clear 56° 56° 0% 0.00 in N 5 90% 53° 9% 0
6 AM Sunny 56° 56° 0% 0.00 in N 5 G10 90% 53° 9% 0
7 AM Sunny 56° 56° 0% 0.00 in N 5 G10 89% 53° 9% 0
8 AM Sunny 58° 58° 0% 0.00 in N 5 G10 84% 53° 9% 0
9 AM Sunny 62° 62° 0% 0.00 in N 5 73% 53° 9% 1
10 AM Sunny 66° 66° 0% 0.00 in N 5 62% 53° 9% 3
11 AM Sunny 70° 70° 0% 0.00 in Calm 53% 53° 2% 5
12 PM Sunny 73° 73° 0% 0.00 in Calm 48% 52° 2% 6
1 PM Sunny 75° 75° 0% 0.00 in Calm 45% 52° 2% 6
2 PM Sunny 76° 76° 0% 0.00 in W 5 44% 52° 2% 5
3 PM Sunny 75° 75° 0% 0.00 in W 5 45% 52° 2% 3
4 PM Sunny 76° 76° 0% 0.00 in Calm 45% 53° 2% 1
5 PM Sunny 75° 75° 0% 0.00 in Calm 48% 54° 0% 0
6 PM Clear 72° 72° 0% 0.00 in Calm 51% 53° 0% –
7 PM Clear 69° 69° 0% 0.00 in Calm 56% 53° 0% –
8 PM Clear 66° 66° 0% 0.00 in Calm 60% 52° 0% –
9 PM Clear 65° 65° 0% 0.00 in Calm 62% 52° 0% –
10 PM Clear 63° 63° 0% 0.00 in Calm 64% 51° 0% –
11 PM Clear 62° 62° 0% 0.00 in N 5 66% 50° 2% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 61° 61° 0% 0.00 in N 5 68% 50° 2% –
1 AM Clear 59° 59° 0% 0.00 in N 5 71% 50° 2% –
2 AM Clear 58° 58° 0% 0.00 in N 5 72% 50° 2% –
3 AM Clear 58° 58° 0% 0.00 in N 5 71% 49° 2% –
4 AM Clear 58° 58° 0% 0.00 in NE 5 70% 48° 2% –
5 AM Mostly Clear 58° 58° 0% 0.00 in NE 5 68% 48° 9% –
6 AM Sunny 58° 58° 0% 0.00 in NE 5 68% 48° 9% –
7 AM Sunny 59° 59° 0% 0.00 in NE 5 68% 48° 9% –
8 AM Sunny 60° 60° 0% 0.00 in NE 5 65% 48° 9% –
9 AM Sunny 64° 64° 0% 0.00 in NE 5 58% 49° 9% –
10 AM Sunny 69° 69° 0% 0.00 in NE 5 50% 50° 9% –
11 AM Sunny 73° 73° 0% 0.00 in Calm 44% 50° 10% –
12 PM Sunny 76° 76° 0% 0.00 in Calm 40% 50° 10% –
1 PM Sunny 78° 78° 0% 0.00 in Calm 37% 50° 10% –
2 PM Sunny 79° 79° 0% 0.00 in Calm 36% 50° 10% –
3 PM Sunny 79° 79° 0% 0.00 in Calm 36% 50° 10% –
4 PM Sunny 78° 78° 0% 0.00 in Calm 37% 50° 10% –
5 PM Sunny 76° 76° 0% 0.00 in Calm 41% 50° 10% –
6 PM Mostly Clear 73° 73° 0% 0.00 in Calm 46% 51° 10% –
7 PM Mostly Clear 70° 70° 0% 0.00 in Calm 50% 51° 10% –
8 PM Mostly Clear 68° 68° 0% 0.00 in Calm 54% 50° 10% –
9 PM Mostly Clear 66° 66° 0% 0.00 in Calm 56% 50° 10% –
10 PM Mostly Clear 65° 65° 0% 0.00 in Calm 58% 50° 10% –
11 PM Mostly Clear 64° 64° 0% 0.00 in N 5 G12 59% 49° 17% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 62° 62° 0% 0.00 in N 5 G12 62% 49° 17% –
1 AM Mostly Clear 61° 61° 0% 0.00 in N 5 G12 64% 49° 17% –
2 AM Mostly Clear 60° 60° 0% 0.00 in NE 5 G12 65% 48° 17% –
3 AM Mostly Clear 60° 60° 0% 0.00 in NE 5 G12 64% 48° 17% –
4 AM Mostly Clear 59° 59° 0% 0.00 in NE 5 G12 63% 47° 17% –
5 AM Mostly Clear 59° 59° 0% 0.00 in N 5 G10 62% 46° 16% –
6 AM Sunny 59° 59° 0% 0.00 in N 5 G10 63% 46° 16% –
7 AM Sunny 59° 59° 0% 0.00 in N 5 G10 63% 47° 16% –
8 AM Sunny 61° 61° 0% 0.00 in NE 5 G12 61% 47° 16% –
9 AM Sunny 64° 64° 0% 0.00 in NE 5 G12 54% 47° 16% –
10 AM Sunny 69° 69° 0% 0.00 in NE 5 G12 46% 47° 16% –
11 AM Sunny 73° 73° 0% 0.00 in Calm 40% 47° 4% –
12 PM Sunny 76° 76° 0% 0.00 in Calm 36% 47° 4% –
1 PM Sunny 78° 78° 0% 0.00 in Calm 33% 46° 4% –
2 PM Sunny 79° 79° 0% 0.00 in Calm 32% 46° 4% –
3 PM Sunny 80° 79° 0% 0.00 in Calm 31% 47° 4% –
4 PM Sunny 79° 79° 0% 0.00 in Calm 32% 47° 4% –
5 PM Sunny 78° 78° 0% 0.00 in Calm 34% 48° 7% –
6 PM Mostly Clear 75° 75° 0% 0.00 in Calm 39% 48° 7% –
7 PM Mostly Clear 71° 71° 0% 0.00 in Calm 44% 48° 7% –
8 PM Mostly Clear 68° 68° 0% 0.00 in Calm 50% 48° 7% –
9 PM Mostly Clear 66° 66° 0% 0.00 in Calm 53% 48° 7% –
10 PM Mostly Clear 65° 65° 0% 0.00 in Calm 54% 48° 7% –
11 PM Mostly Clear 64° 64° 0% 0.00 in N 5 G17 56% 48° 13% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 62° 62° 0% 0.00 in N 5 G17 59% 47° 13% –
1 AM Mostly Clear 60° 60° 0% 0.00 in N 5 G17 62% 47° 13% –
2 AM Mostly Clear 59° 59° 0% 0.00 in NE 5 G10 64% 47° 13% –
3 AM Mostly Clear 59° 59° 0% 0.00 in NE 5 G10 63% 46° 13% –
4 AM Mostly Clear 59° 59° 0% 0.00 in NE 5 G10 62% 46° 13% –
5 AM Mostly Clear 59° 59° 0% 0.00 in NE 5 60% 45° 18% –
6 AM Sunny 59° 59° 0% 0.00 in NE 5 61% 46° 18% –
7 AM Sunny 60° 60° 0% 0.00 in NE 5 61% 46° 18% –
8 AM Sunny 61° 61° 0% 0.00 in Calm 59% 47° 18% –
9 AM Sunny 64° 65° 0% 0.00 in Calm 53% 47° 18% –
10 AM Sunny 69° 69° 0% 0.00 in Calm 45% 47° 18% –
11 AM Sunny 73° 73° 0% 0.00 in Calm 40% 47° 17% –
12 PM Sunny 75° 75° 0% 0.00 in Calm 36% 47° 17% –
1 PM Sunny 77° 77° 0% 0.00 in Calm 34% 46° 17% –
2 PM Sunny 78° 78° 0% 0.00 in Calm 33% 46° 17% –
3 PM Sunny 78° 78° 0% 0.00 in Calm 33% 47° 17% –
4 PM Sunny 78° 78° 0% 0.00 in Calm 35% 48° 17% –
5 PM Sunny 77° 77° 0% 0.00 in Calm 37% 49° 22% –
6 PM Mostly Clear 74° 74° 0% 0.00 in Calm 41% 49° 22% –
7 PM Mostly Clear 71° 71° 0% 0.00 in Calm 46% 49° 22% –
8 PM Mostly Clear 68° 68° 0% 0.00 in Calm 51% 49° 22% –
9 PM Mostly Clear 66° 66° 0% 0.00 in Calm 54% 49° 22% –
10 PM Mostly Clear 65° 65° 0% 0.00 in Calm 56% 49° 22% –
11 PM Mostly Clear 64° 64° 0% 0.00 in Calm 57% 48° 24% –
Wednesday, October 2813 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 62° 62° 0% 0.00 in Calm 60% 48° 24% –
1 AM Mostly Clear 61° 61° 0% 0.00 in Calm 63% 48° 24% –
2 AM Mostly Clear 60° 60° 0% 0.00 in Calm 64% 48° 24% –
3 AM Mostly Clear 60° 60° 0% 0.00 in Calm 63% 47° 24% –
4 AM Mostly Clear 60° 60° 0% 0.00 in Calm 60% 47° 24% –
5 AM Partly Cloudy 61° 61° 0% 0.00 in Calm 59% 46° 42% –
6 AM Mostly Sunny 61° 61° 0% 0.00 in Calm 60% 47° 42% –
7 AM Mostly Sunny 61° 61° 0% 0.00 in Calm 61% 47° 42% –
8 AM Mostly Sunny 62° 62° 0% 0.00 in Calm 59% 48° 42% –
9 AM Mostly Sunny 66° 66° 0% 0.00 in Calm 53% 48° 42% –
10 AM Mostly Sunny 70° 70° 0% 0.00 in Calm 46% 48° 42% –
11 AM Mostly Sunny 73° 73° 0% 0.00 in Calm 41% 48° 37% –
12 PM Mostly Sunny 76° 76° 0% 0.00 in Calm 37% 48° 37% –

National Weather Service forecast updated 1 hr 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.