Rancho Cucamonga, CA 91701 Hourly Weather

San Bernardino County7:03 PM PDT34.14°N, 117.60°W

Next 48 hours

7 PM 10 PM Fri Oct 23 1 AM 4 AM 7 AM 10 AM 1 PM 4 PM 7 PM 10 PM Sat Oct 24 1 AM 4 AM 7 AM 10 AM 1 PM 4 PM 55° 60° 65° 70° 75° %
TemperatureFeels likeChance of precipitationNight
Thursday, October 225 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
7 PM Chance Rain Showers 58° 58° 30% <0.01 in W 10 G16 94% 56° 72% 0
8 PM Chance Rain Showers 57° 57° 30% <0.01 in W 5 G14 93% 56° 72% 0
9 PM Chance Rain Showers 56° 56° 30% <0.01 in W 5 G13 96% 55° 72% 0
10 PM Chance Rain Showers 56° 56° 30% <0.01 in SW 5 G10 98% 55° 72% 0
11 PM Slight Chance Rain Showers 55° 55° 20% <0.01 in Calm 98% 55° 49% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Slight Chance Rain Showers 55° 55° 20% <0.01 in NE 5 98% 55° 49% 0
1 AM Slight Chance Rain Showers 55° 55° 20% <0.01 in Calm 98% 54° 49% 0
2 AM Slight Chance Rain Showers 55° 55° 20% <0.01 in E 5 98% 54° 60% 0
3 AM Slight Chance Rain Showers 54° 55° 20% <0.01 in NE 5 G10 98% 54° 60% 0
4 AM Slight Chance Rain Showers 55° 55° 20% <0.01 in NE 5 G12 97% 54° 60% 0
5 AM Mostly Cloudy 55° 55° 9% 0.00 in NE 5 G12 97% 54° 60% 0
6 AM Partly Sunny 54° 54° 9% 0.00 in NE 10 96% 53° 60% 0
7 AM Partly Sunny 54° 54° 9% 0.00 in NE 5 G14 97% 54° 60% 0
8 AM Mostly Sunny 56° 56° 9% 0.00 in NE 5 G13 98% 55° 50% 0
9 AM Mostly Sunny 57° 57° 9% 0.00 in NE 5 99% 56° 50% 1
10 AM Mostly Sunny 59° 59° 9% 0.00 in Calm 100% 58° 50% 3
11 AM Mostly Sunny 60° 60° 13% 0.00 in Calm 95% 59° 46% 4
12 PM Mostly Sunny 61° 61° 13% 0.00 in Calm 91% 59° 46% 5
1 PM Mostly Sunny 62° 63° 13% 0.00 in SW 5 89% 59° 46% 5
2 PM Mostly Sunny 63° 63° 13% 0.00 in SW 5 87% 59° 36% 4
3 PM Mostly Sunny 64° 64° 13% 0.00 in SW 5 82% 59° 36% 3
4 PM Mostly Sunny 65° 65° 13% 0.00 in SW 5 80% 58° 36% 1
5 PM Sunny 64° 65° 4% 0.00 in SW 5 82% 59° 16% 0
6 PM Mostly Clear 63° 63° 4% 0.00 in Calm 84% 58° 16% 0
7 PM Mostly Clear 61° 61° 4% 0.00 in Calm 86% 57° 16% 0
8 PM Mostly Clear 59° 59° 4% 0.00 in Calm 87% 56° 16% 0
9 PM Mostly Clear 58° 58° 4% 0.00 in NE 5 88% 55° 16% 0
10 PM Mostly Clear 57° 57° 4% 0.00 in NE 5 G12 89% 54° 16% 0
11 PM Clear 57° 57° 0% 0.00 in NE 10 90% 54° 5% 0
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 NE 5 G14 91% 53° 5% 0
1 AM Clear 55° 55° 0% 0.00 in N 5 G12 92% 53° 5% 0
2 AM Clear 54° 55° 0% 0.00 in N 5 92% 52° 5% 0
3 AM Clear 54° 54° 0% 0.00 in N 5 91% 52° 5% 0
4 AM Clear 55° 55° 0% 0.00 in N 5 89% 51° 5% 0
5 AM Mostly Clear 55° 55° 0% 0.00 in N 5 87% 51° 8% 0
6 AM Sunny 56° 56° 0% 0.00 in N 5 G10 86% 51° 8% 0
7 AM Sunny 56° 56° 0% 0.00 in N 5 G12 84% 52° 8% 0
8 AM Sunny 58° 58° 0% 0.00 in N 5 G12 81% 52° 8% 0
9 AM Sunny 61° 61° 0% 0.00 in N 5 G10 72% 52° 8% 1
10 AM Sunny 64° 64° 0% 0.00 in N 5 63% 52° 8% 3
11 AM Sunny 68° 68° 0% 0.00 in Calm 56% 51° 2% 5
12 PM Sunny 70° 70° 0% 0.00 in Calm 52% 51° 2% 6
1 PM Sunny 72° 72° 0% 0.00 in N 5 49% 51° 2% 5
2 PM Sunny 73° 73° 0% 0.00 in NW 5 48% 52° 2% 4
3 PM Sunny 74° 74° 0% 0.00 in Calm 47% 52° 2% 3
4 PM Sunny 73° 73° 0% 0.00 in Calm 49% 52° 2% 1
5 PM Sunny 73° 73° 0% 0.00 in Calm 48% 53° 0% 0
6 PM Clear 71° 71° 0% 0.00 in Calm 50% 52° 0% 0
7 PM Clear 69° 69° 0% 0.00 in Calm 54% 51° 0% 0
8 PM Clear 66° 66° 0% 0.00 in Calm 57% 50° 0% 0
9 PM Clear 64° 64° 0% 0.00 in Calm 60% 49° 0% 0
10 PM Clear 62° 62° 0% 0.00 in Calm 62% 49° 0% 0
11 PM Clear 60° 60° 0% 0.00 in N 5 64% 48° 2% 0
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 59° 59° 0% 0.00 in N 5 65% 48° 2% –
1 AM Clear 58° 58° 0% 0.00 in N 5 66% 47° 2% –
2 AM Clear 58° 58° 0% 0.00 in N 5 66% 46° 2% –
3 AM Clear 58° 58° 0% 0.00 in Calm 65% 46° 2% –
4 AM Clear 58° 58° 0% 0.00 in Calm 64% 46° 2% –
5 AM Mostly Clear 58° 58° 0% 0.00 in N 5 63% 45° 8% –
6 AM Sunny 58° 58° 0% 0.00 in N 5 64% 46° 8% –
7 AM Sunny 59° 59° 0% 0.00 in N 5 63% 46° 8% –
8 AM Sunny 61° 61° 0% 0.00 in N 5 61% 47° 8% –
9 AM Sunny 64° 64° 0% 0.00 in N 5 56% 48° 8% –
10 AM Sunny 68° 68° 0% 0.00 in N 5 49% 48° 8% –
11 AM Sunny 72° 72° 0% 0.00 in Calm 44% 49° 9% –
12 PM Sunny 74° 74° 0% 0.00 in Calm 42% 50° 9% –
1 PM Sunny 76° 76° 0% 0.00 in Calm 40% 50° 9% –
2 PM Sunny 77° 77° 0% 0.00 in SW 5 40% 50° 9% –
3 PM Sunny 77° 77° 0% 0.00 in SW 5 40% 50° 9% –
4 PM Sunny 76° 76° 0% 0.00 in SW 5 40% 50° 9% –
5 PM Sunny 74° 74° 0% 0.00 in Calm 43% 50° 11% –
6 PM Mostly Clear 71° 71° 0% 0.00 in Calm 47% 50° 11% –
7 PM Mostly Clear 68° 68° 0% 0.00 in Calm 52% 49° 11% –
8 PM Mostly Clear 65° 65° 0% 0.00 in Calm 55% 49° 11% –
9 PM Mostly Clear 64° 64° 0% 0.00 in Calm 57% 48° 11% –
10 PM Mostly Clear 63° 63° 0% 0.00 in Calm 58% 48° 11% –
11 PM Mostly Clear 62° 62° 0% 0.00 in N 5 G12 59% 47° 18% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 61° 61° 0% 0.00 in N 5 G12 60% 47° 18% –
1 AM Mostly Clear 60° 60° 0% 0.00 in N 5 G12 60% 46° 18% –
2 AM Mostly Clear 60° 60° 0% 0.00 in N 5 G12 60% 46° 18% –
3 AM Mostly Clear 59° 59° 0% 0.00 in N 5 G12 59% 45° 18% –
4 AM Mostly Clear 59° 59° 0% 0.00 in N 5 G12 59% 44° 18% –
5 AM Mostly Clear 59° 59° 0% 0.00 in N 5 58% 44° 16% –
6 AM Sunny 59° 59° 0% 0.00 in N 5 59% 45° 16% –
7 AM Sunny 59° 59° 0% 0.00 in N 5 60% 45° 16% –
8 AM Sunny 61° 61° 0% 0.00 in N 5 G10 58% 46° 16% –
9 AM Sunny 64° 64° 0% 0.00 in N 5 G10 52% 46° 16% –
10 AM Sunny 68° 68° 0% 0.00 in N 5 G10 45% 46° 16% –
11 AM Sunny 72° 72° 0% 0.00 in Calm 40% 46° 4% –
12 PM Sunny 74° 74° 0% 0.00 in Calm 37% 46° 4% –
1 PM Sunny 76° 76° 0% 0.00 in Calm 36% 47° 4% –
2 PM Sunny 76° 76° 0% 0.00 in SW 5 G12 35% 47° 4% –
3 PM Sunny 77° 77° 0% 0.00 in SW 5 G12 35% 47° 4% –
4 PM Sunny 77° 77° 0% 0.00 in SW 5 G12 36% 47° 4% –
5 PM Sunny 75° 75° 0% 0.00 in Calm 38% 48° 7% –
6 PM Mostly Clear 72° 72° 0% 0.00 in Calm 41% 48° 7% –
7 PM Mostly Clear 68° 69° 0% 0.00 in Calm 47% 47° 7% –
8 PM Mostly Clear 65° 65° 0% 0.00 in Calm 52% 47° 7% –
9 PM Mostly Clear 64° 64° 0% 0.00 in Calm 54% 47° 7% –
10 PM Mostly Clear 63° 63° 0% 0.00 in Calm 55% 46° 7% –
11 PM Mostly Clear 62° 62° 0% 0.00 in N 10 56% 46° 13% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 61° 61° 0% 0.00 in N 10 57% 45° 13% –
1 AM Mostly Clear 60° 60° 0% 0.00 in N 10 58% 45° 13% –
2 AM Mostly Clear 59° 59° 0% 0.00 in Calm 58% 44° 13% –
3 AM Mostly Clear 58° 58° 0% 0.00 in Calm 58% 44° 13% –
4 AM Mostly Clear 58° 58° 0% 0.00 in Calm 58% 44° 13% –
5 AM Mostly Clear 58° 58° 0% 0.00 in Calm 58% 44° 17% –
6 AM Sunny 59° 59° 0% 0.00 in Calm 58% 44° 17% –
7 AM Sunny 60° 60° 0% 0.00 in Calm 58% 45° 17% –
8 AM Sunny 61° 61° 0% 0.00 in Calm 56% 45° 17% –
9 AM Sunny 64° 64° 0% 0.00 in Calm 51% 46° 17% –
10 AM Sunny 68° 68° 0% 0.00 in Calm 45% 46° 17% –
11 AM Sunny 71° 71° 0% 0.00 in Calm 40% 46° 18% –
12 PM Sunny 73° 73° 0% 0.00 in Calm 38% 46° 18% –
1 PM Sunny 75° 75° 0% 0.00 in Calm 37% 47° 18% –
2 PM Sunny 75° 75° 0% 0.00 in S 5 36% 47° 18% –
3 PM Sunny 76° 76° 0% 0.00 in S 5 37% 48° 18% –
4 PM Sunny 76° 76° 0% 0.00 in S 5 38% 48° 18% –
5 PM Sunny 74° 74° 0% 0.00 in Calm 40% 49° 22% –
6 PM Mostly Clear 72° 72° 0% 0.00 in Calm 44% 49° 22% –
7 PM Mostly Clear 69° 69° 0% 0.00 in Calm 48% 48° 22% –
8 PM Mostly Clear 66° 66° 0% 0.00 in Calm 53% 48° 22% –
9 PM Mostly Clear 64° 64° 0% 0.00 in Calm 55% 48° 22% –
10 PM Mostly Clear 63° 63° 0% 0.00 in Calm 56% 47° 22% –
11 PM Mostly Clear 62° 62° 0% 0.00 in Calm 57% 47° 25% –
Wednesday, October 2821 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 61° 61° 0% 0.00 in Calm 58% 46° 25% –
1 AM Mostly Clear 60° 60° 0% 0.00 in Calm 58% 45° 25% –
2 AM Mostly Clear 59° 59° 0% 0.00 in Calm 58% 45° 25% –
3 AM Mostly Clear 59° 59° 0% 0.00 in Calm 57% 44° 25% –
4 AM Mostly Clear 60° 60° 0% 0.00 in Calm 56% 44° 25% –
5 AM Partly Cloudy 60° 60° 0% 0.00 in Calm 55% 44° 41% –
6 AM Mostly Sunny 60° 61° 0% 0.00 in Calm 56% 45° 41% –
7 AM Mostly Sunny 61° 61° 0% 0.00 in Calm 57% 45° 41% –
8 AM Mostly Sunny 62° 62° 0% 0.00 in Calm 56% 46° 41% –
9 AM Mostly Sunny 65° 65° 0% 0.00 in Calm 51% 47° 41% –
10 AM Mostly Sunny 69° 69° 0% 0.00 in Calm 46% 47° 41% –
11 AM Mostly Sunny 72° 72° 0% 0.00 in Calm 41% 47° 37% –
12 PM Mostly Sunny 74° 74° 0% 0.00 in Calm 39% 47° 37% –
1 PM Mostly Sunny 75° 75° 0% 0.00 in Calm 38% 48° 37% –
2 PM Mostly Sunny 76° 76° 0% 0.00 in S 5 G12 38% 48° 37% –
3 PM Mostly Sunny 76° 76° 0% 0.00 in S 5 G12 38% 49° 37% –
4 PM Mostly Sunny 75° 75° 0% 0.00 in S 5 G12 40% 49° 37% –
5 PM Mostly Sunny 73° 73° 1% 0.00 in Calm 44% 50° 33% –
6 PM Partly Cloudy 71° 71° 1% 0.00 in Calm 48% 50° 33% –
7 PM Partly Cloudy 68° 68° 1% 0.00 in Calm 52% 50° 33% –
8 PM Partly Cloudy 66° 66° 1% 0.00 in Calm 57% 50° 33% –

National Weather Service forecast updated 17 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.