Your favorites:
What is Rancho Cucamonga High School, CA, Weather Like in October?
During the month of October, Rancho Cucamonga High School, CA,
has an average daytime high temperature of 83°F and an average overnight low temperature dropping to 57°F.
Around 0.41 inches of precipitation is received during the month,
with about 8.95 inches falling in a typical year.
Snow is not common in Rancho Cucamonga High School, CA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 21, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 80 F
(-3.8 vs avg)
Average Low: 58.3 F
(-0.2 vs avg)
Daytime temperatures were significantly below average.
Actual data from: KONT
Rancho Cucamonga High School, CA Daily Weather Averages for October
Recorded at Ontario Intl Ap
(usw00003102),
6 miles
SSW of
Rancho Cucamonga High School, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 61 F | 86 F | 74 F | 0.01" | 8.55" | N/A | N/A | 0.2 F | 8.9 F |
| 10/2 | 61 F | 86 F | 73 F | 0.01" | 8.55" | N/A | N/A | 0.2 F | 8.6 F |
| 10/3 | 60 F | 86 F | 73 F | 0.02" | 8.56" | N/A | N/A | 0.2 F | 8.3 F |
| 10/4 | 60 F | 85 F | 73 F | 0.03" | 8.57" | N/A | N/A | 0.3 F | 8.1 F |
| 10/5 | 60 F | 85 F | 73 F | 0.04" | 8.58" | N/A | N/A | 0.3 F | 7.8 F |
| 10/6 | 60 F | 85 F | 72 F | 0.05" | 8.59" | N/A | N/A | 0.4 F | 7.6 F |
| 10/7 | 59 F | 85 F | 72 F | 0.05" | 8.59" | N/A | N/A | 0.4 F | 7.3 F |
| 10/8 | 59 F | 84 F | 72 F | 0.06" | 8.60" | N/A | N/A | 0.4 F | 7.1 F |
| 10/9 | 59 F | 84 F | 71 F | 0.07" | 8.61" | N/A | N/A | 0.4 F | 6.9 F |
| 10/10 | 59 F | 84 F | 71 F | 0.08" | 8.62" | N/A | N/A | 0.5 F | 6.6 F |
| 10/11 | 58 F | 84 F | 71 F | 0.09" | 8.63" | N/A | N/A | 0.5 F | 6.4 F |
| 10/12 | 58 F | 83 F | 71 F | 0.11" | 8.65" | N/A | N/A | 0.5 F | 6.2 F |
| 10/13 | 58 F | 83 F | 70 F | 0.12" | 8.66" | N/A | N/A | 0.5 F | 6 F |
| 10/14 | 58 F | 83 F | 70 F | 0.13" | 8.67" | N/A | N/A | 0.6 F | 5.8 F |
| 10/15 | 57 F | 83 F | 70 F | 0.15" | 8.69" | N/A | N/A | 0.6 F | 5.6 F |
| 10/16 | 57 F | 82 F | 70 F | 0.16" | 8.70" | N/A | N/A | 0.7 F | 5.4 F |
| 10/17 | 57 F | 82 F | 70 F | 0.18" | 8.72" | N/A | N/A | 0.8 F | 5.3 F |
| 10/18 | 57 F | 82 F | 69 F | 0.20" | 8.74" | N/A | N/A | 0.9 F | 5.1 F |
| 10/19 | 56 F | 82 F | 69 F | 0.21" | 8.75" | N/A | N/A | 0.9 F | 5 F |
| 10/20 | 56 F | 82 F | 69 F | 0.23" | 8.77" | N/A | N/A | 1 F | 4.8 F |
| 10/21 | 56 F | 81 F | 69 F | 0.24" | 8.78" | N/A | N/A | 1.1 F | 4.7 F |
| 10/22 | 56 F | 81 F | 68 F | 0.26" | 8.80" | N/A | N/A | 1.1 F | 4.5 F |
| 10/23 | 55 F | 81 F | 68 F | 0.27" | 8.81" | N/A | N/A | 1.2 F | 4.4 F |
| 10/24 | 55 F | 81 F | 68 F | 0.29" | 8.83" | N/A | N/A | 1.2 F | 4.2 F |
| 10/25 | 55 F | 81 F | 68 F | 0.30" | 8.84" | N/A | N/A | 1.3 F | 4.1 F |
| 10/26 | 55 F | 81 F | 68 F | 0.32" | 8.86" | N/A | N/A | 1.4 F | 3.9 F |
| 10/27 | 54 F | 80 F | 67 F | 0.34" | 8.88" | N/A | N/A | 1.5 F | 3.8 F |
| 10/28 | 54 F | 80 F | 67 F | 0.36" | 8.90" | N/A | N/A | 1.6 F | 3.7 F |
| 10/29 | 54 F | 80 F | 67 F | 0.37" | 8.91" | N/A | N/A | 1.7 F | 3.6 F |
| 10/30 | 54 F | 80 F | 67 F | 0.39" | 8.93" | N/A | N/A | 1.8 F | 3.4 F |
| 10/31 | 53 F | 80 F | 66 F | 0.41" | 8.95" | N/A | N/A | 1.9 F | 3.3 F |
