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What is Sweetwater, ID, Weather Like in October?
During the month of October, Sweetwater, ID,
has an average daytime high temperature of 63°F and an average overnight low temperature dropping to 42°F.
Around 1.08 inches of precipitation is received during the month,
with about 10.51 inches falling in a typical year.
As you might expect, snow is not common in the month of October.
Annually, Sweetwater receives around 7.30 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 23, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 65.4 F
(-0.2 vs avg)
Average Low: 46 F
(+2.6 vs avg)
Actual data from: KLWS
Sweetwater, ID Daily Weather Averages for October
Recorded at Lewiston Nez Perce Co Ap
(usw00024149),
10.6 miles
W of
Sweetwater, ID
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 47 F | 72 F | 60 F | 0.03" | 9.46" | 0.00" | 7.30" | 6.1 F | 0.7 F |
| 10/2 | 47 F | 71 F | 59 F | 0.05" | 9.48" | 0.00" | 7.30" | 6.5 F | 0.6 F |
| 10/3 | 46 F | 71 F | 59 F | 0.08" | 9.51" | 0.00" | 7.30" | 6.9 F | 0.5 F |
| 10/4 | 46 F | 70 F | 58 F | 0.11" | 9.54" | 0.00" | 7.30" | 7.4 F | 0.4 F |
| 10/5 | 46 F | 70 F | 58 F | 0.14" | 9.57" | 0.00" | 7.30" | 7.8 F | 0.4 F |
| 10/6 | 45 F | 69 F | 57 F | 0.16" | 9.59" | 0.00" | 7.30" | 8.3 F | 0.3 F |
| 10/7 | 45 F | 68 F | 57 F | 0.19" | 9.62" | 0.00" | 7.30" | 8.7 F | 0.3 F |
| 10/8 | 45 F | 68 F | 56 F | 0.22" | 9.65" | 0.00" | 7.30" | 9.2 F | 0.3 F |
| 10/9 | 44 F | 67 F | 56 F | 0.25" | 9.68" | 0.00" | 7.30" | 9.6 F | 0.2 F |
| 10/10 | 44 F | 66 F | 55 F | 0.28" | 9.71" | 0.00" | 7.30" | 10.1 F | 0.2 F |
| 10/11 | 44 F | 66 F | 55 F | 0.31" | 9.74" | 0.00" | 7.30" | 10.5 F | 0.2 F |
| 10/12 | 43 F | 65 F | 54 F | 0.34" | 9.77" | 0.00" | 7.30" | 11 F | 0.1 F |
| 10/13 | 43 F | 65 F | 54 F | 0.37" | 9.80" | 0.00" | 7.30" | 11.4 F | 0.1 F |
| 10/14 | 42 F | 64 F | 53 F | 0.41" | 9.84" | 0.00" | 7.30" | 11.9 F | 0.1 F |
| 10/15 | 42 F | 63 F | 53 F | 0.44" | 9.87" | 0.00" | 7.30" | 12.3 F | 0.1 F |
| 10/16 | 42 F | 63 F | 52 F | 0.48" | 9.91" | 0.00" | 7.30" | 12.8 F | N/A |
| 10/17 | 41 F | 62 F | 52 F | 0.52" | 9.95" | 0.00" | 7.30" | 13.2 F | N/A |
| 10/18 | 41 F | 62 F | 51 F | 0.55" | 9.98" | 0.00" | 7.30" | 13.6 F | N/A |
| 10/19 | 41 F | 61 F | 51 F | 0.59" | 10.02" | 0.00" | 7.30" | 14.1 F | N/A |
| 10/20 | 41 F | 61 F | 51 F | 0.63" | 10.06" | 0.00" | 7.30" | 14.5 F | N/A |
| 10/21 | 40 F | 60 F | 50 F | 0.66" | 10.09" | 0.00" | 7.30" | 14.9 F | N/A |
| 10/22 | 40 F | 59 F | 50 F | 0.70" | 10.13" | 0.00" | 7.30" | 15.4 F | N/A |
| 10/23 | 40 F | 59 F | 49 F | 0.74" | 10.17" | 0.00" | 7.30" | 15.8 F | N/A |
| 10/24 | 39 F | 58 F | 49 F | 0.78" | 10.21" | 0.00" | 7.30" | 16.2 F | N/A |
| 10/25 | 39 F | 58 F | 48 F | 0.83" | 10.26" | 0.00" | 7.30" | 16.6 F | N/A |
| 10/26 | 39 F | 57 F | 48 F | 0.87" | 10.30" | 0.00" | 7.30" | 17 F | N/A |
| 10/27 | 39 F | 57 F | 48 F | 0.91" | 10.34" | 0.00" | 7.30" | 17.3 F | N/A |
| 10/28 | 38 F | 56 F | 47 F | 0.95" | 10.38" | 0.00" | 7.30" | 17.7 F | N/A |
| 10/29 | 38 F | 56 F | 47 F | 1.00" | 10.43" | 0.00" | 7.30" | 18.1 F | N/A |
| 10/30 | 38 F | 55 F | 47 F | 1.04" | 10.47" | 0.00" | 7.30" | 18.4 F | N/A |
| 10/31 | 38 F | 55 F | 46 F | 1.08" | 10.51" | 0.00" | 7.30" | 18.8 F | N/A |
