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What is John Marshall Park, CA, Weather Like in October?
During the month of October, John Marshall Park, CA,
has an average daytime high temperature of 80°F and an average overnight low temperature dropping to 59°F.
Around 0.50 inches of precipitation is received during the month,
with about 9.26 inches falling in a typical year.
Snow is not common in John Marshall Park, CA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 19, 2025)
Actual High
Average High
Actual Low
Average Low
Actual data from: KFUL
John Marshall Park, CA Daily Weather Averages for October
Recorded at Fullerton Muni Ap
(usw00003166),
2.2 miles
NW of
John Marshall Park, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 62 F | 83 F | 72 F | 0.01" | 8.77" | N/A | N/A | 0.1 F | 7.3 F |
| 10/2 | 62 F | 82 F | 72 F | 0.02" | 8.78" | N/A | N/A | 0.1 F | 7.1 F |
| 10/3 | 61 F | 82 F | 72 F | 0.03" | 8.79" | N/A | N/A | 0.1 F | 6.9 F |
| 10/4 | 61 F | 82 F | 72 F | 0.04" | 8.80" | N/A | N/A | 0.2 F | 6.7 F |
| 10/5 | 61 F | 82 F | 71 F | 0.05" | 8.81" | N/A | N/A | 0.2 F | 6.6 F |
| 10/6 | 61 F | 82 F | 71 F | 0.06" | 8.82" | N/A | N/A | 0.2 F | 6.4 F |
| 10/7 | 61 F | 82 F | 71 F | 0.07" | 8.83" | N/A | N/A | 0.2 F | 6.2 F |
| 10/8 | 60 F | 81 F | 71 F | 0.08" | 8.84" | N/A | N/A | 0.2 F | 6 F |
| 10/9 | 60 F | 81 F | 71 F | 0.10" | 8.86" | N/A | N/A | 0.2 F | 5.8 F |
| 10/10 | 60 F | 81 F | 70 F | 0.11" | 8.87" | N/A | N/A | 0.2 F | 5.6 F |
| 10/11 | 60 F | 81 F | 70 F | 0.12" | 8.88" | N/A | N/A | 0.3 F | 5.5 F |
| 10/12 | 59 F | 81 F | 70 F | 0.14" | 8.90" | N/A | N/A | 0.3 F | 5.3 F |
| 10/13 | 59 F | 81 F | 70 F | 0.15" | 8.91" | N/A | N/A | 0.3 F | 5.1 F |
| 10/14 | 59 F | 81 F | 70 F | 0.17" | 8.93" | N/A | N/A | 0.3 F | 5 F |
| 10/15 | 59 F | 80 F | 70 F | 0.19" | 8.95" | N/A | N/A | 0.4 F | 4.8 F |
| 10/16 | 58 F | 80 F | 69 F | 0.21" | 8.97" | N/A | N/A | 0.4 F | 4.7 F |
| 10/17 | 58 F | 80 F | 69 F | 0.23" | 8.99" | N/A | N/A | 0.5 F | 4.6 F |
| 10/18 | 58 F | 80 F | 69 F | 0.25" | 9.01" | N/A | N/A | 0.5 F | 4.4 F |
| 10/19 | 58 F | 80 F | 69 F | 0.26" | 9.02" | N/A | N/A | 0.6 F | 4.3 F |
| 10/20 | 57 F | 80 F | 69 F | 0.28" | 9.04" | N/A | N/A | 0.6 F | 4.2 F |
| 10/21 | 57 F | 80 F | 68 F | 0.30" | 9.06" | N/A | N/A | 0.7 F | 4 F |
| 10/22 | 57 F | 80 F | 68 F | 0.32" | 9.08" | N/A | N/A | 0.7 F | 3.9 F |
| 10/23 | 57 F | 79 F | 68 F | 0.34" | 9.10" | N/A | N/A | 0.8 F | 3.8 F |
| 10/24 | 56 F | 79 F | 68 F | 0.36" | 9.12" | N/A | N/A | 0.8 F | 3.6 F |
| 10/25 | 56 F | 79 F | 68 F | 0.38" | 9.14" | N/A | N/A | 0.9 F | 3.5 F |
| 10/26 | 56 F | 79 F | 67 F | 0.40" | 9.16" | N/A | N/A | 0.9 F | 3.3 F |
| 10/27 | 56 F | 79 F | 67 F | 0.42" | 9.18" | N/A | N/A | 1 F | 3.2 F |
| 10/28 | 55 F | 79 F | 67 F | 0.44" | 9.20" | N/A | N/A | 1.1 F | 3.1 F |
| 10/29 | 55 F | 79 F | 67 F | 0.46" | 9.22" | N/A | N/A | 1.2 F | 3 F |
| 10/30 | 55 F | 78 F | 67 F | 0.48" | 9.24" | N/A | N/A | 1.2 F | 2.8 F |
| 10/31 | 55 F | 78 F | 66 F | 0.50" | 9.26" | N/A | N/A | 1.3 F | 2.7 F |
Weather data provided by Xweather
