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What is Northwest Post Office, AZ, Weather Like in October?
During the month of October, Northwest Post Office, AZ,
has an average daytime high temperature of 90°F and an average overnight low temperature dropping to 66°F.
Around 0.56 inches of precipitation is received during the month,
with about 5.91 inches falling in a typical year.
Snow is not common in Northwest Post Office, AZ.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 25, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 88.7 F
(-1.9 vs avg)
Average Low: 68.4 F
(+1.4 vs avg)
Actual data from: KPHX
Northwest Post Office, AZ Daily Weather Averages for October
Recorded at Phoenix Sky Harbor Intl Ap
(usw00023183),
8.6 miles
SE of
Northwest Post Office, AZ
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 72 F | 95 F | 84 F | 0.02" | 5.37" | N/A | N/A | N/A | 18.6 F |
| 10/2 | 72 F | 95 F | 83 F | 0.04" | 5.39" | N/A | N/A | N/A | 18.1 F |
| 10/3 | 71 F | 94 F | 83 F | 0.06" | 5.41" | N/A | N/A | N/A | 17.7 F |
| 10/4 | 71 F | 94 F | 82 F | 0.08" | 5.43" | N/A | N/A | N/A | 17.3 F |
| 10/5 | 70 F | 93 F | 82 F | 0.09" | 5.44" | N/A | N/A | N/A | 16.9 F |
| 10/6 | 70 F | 93 F | 81 F | 0.11" | 5.46" | N/A | N/A | N/A | 16.4 F |
| 10/7 | 69 F | 93 F | 81 F | 0.13" | 5.48" | N/A | N/A | N/A | 16 F |
| 10/8 | 69 F | 92 F | 81 F | 0.15" | 5.50" | N/A | N/A | N/A | 15.6 F |
| 10/9 | 69 F | 92 F | 80 F | 0.17" | 5.52" | N/A | N/A | N/A | 15.2 F |
| 10/10 | 68 F | 92 F | 80 F | 0.18" | 5.53" | N/A | N/A | 0.1 F | 14.8 F |
| 10/11 | 68 F | 91 F | 79 F | 0.20" | 5.55" | N/A | N/A | 0.1 F | 14.4 F |
| 10/12 | 67 F | 91 F | 79 F | 0.22" | 5.57" | N/A | N/A | 0.1 F | 14 F |
| 10/13 | 67 F | 90 F | 79 F | 0.24" | 5.59" | N/A | N/A | 0.1 F | 13.6 F |
| 10/14 | 66 F | 90 F | 78 F | 0.26" | 5.61" | N/A | N/A | 0.1 F | 13.2 F |
| 10/15 | 66 F | 90 F | 78 F | 0.28" | 5.63" | N/A | N/A | 0.1 F | 12.8 F |
| 10/16 | 65 F | 89 F | 77 F | 0.30" | 5.65" | N/A | N/A | 0.1 F | 12.4 F |
| 10/17 | 65 F | 89 F | 77 F | 0.32" | 5.67" | N/A | N/A | 0.1 F | 12 F |
| 10/18 | 65 F | 88 F | 77 F | 0.33" | 5.68" | N/A | N/A | 0.1 F | 11.6 F |
| 10/19 | 64 F | 88 F | 76 F | 0.35" | 5.70" | N/A | N/A | 0.1 F | 11.3 F |
| 10/20 | 64 F | 88 F | 76 F | 0.37" | 5.72" | N/A | N/A | 0.2 F | 10.9 F |
| 10/21 | 63 F | 87 F | 75 F | 0.39" | 5.74" | N/A | N/A | 0.2 F | 10.6 F |
| 10/22 | 63 F | 87 F | 75 F | 0.40" | 5.75" | N/A | N/A | 0.3 F | 10.2 F |
| 10/23 | 63 F | 87 F | 75 F | 0.42" | 5.77" | N/A | N/A | 0.3 F | 9.9 F |
| 10/24 | 62 F | 86 F | 74 F | 0.44" | 5.79" | N/A | N/A | 0.3 F | 9.5 F |
| 10/25 | 62 F | 86 F | 74 F | 0.46" | 5.81" | N/A | N/A | 0.4 F | 9.2 F |
| 10/26 | 62 F | 85 F | 73 F | 0.47" | 5.82" | N/A | N/A | 0.4 F | 8.8 F |
| 10/27 | 61 F | 85 F | 73 F | 0.49" | 5.84" | N/A | N/A | 0.4 F | 8.5 F |
| 10/28 | 61 F | 85 F | 73 F | 0.51" | 5.86" | N/A | N/A | 0.5 F | 8.2 F |
| 10/29 | 60 F | 84 F | 72 F | 0.52" | 5.87" | N/A | N/A | 0.5 F | 7.8 F |
| 10/30 | 60 F | 84 F | 72 F | 0.54" | 5.89" | N/A | N/A | 0.6 F | 7.5 F |
| 10/31 | 60 F | 83 F | 72 F | 0.56" | 5.91" | N/A | N/A | 0.6 F | 7.2 F |
