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What is Trillium Lake, OR, Weather Like in October?
During the month of October, Trillium Lake, OR,
has an average daytime high temperature of 53°F and an average overnight low temperature dropping to 37°F.
Around 8.42 inches of precipitation is received during the month,
with about 62.65 inches falling in a typical year.
3.80 inches of snow is the mean amount received during October.
Annually, Trillium Lake receives around 150.30 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 19, 2025)
Actual High
Average High
Actual Low
Average Low
Actual data from: MID_ODT75
Trillium Lake, OR Daily Weather Averages for October
Recorded at Government Camp
(usc00353402),
2.1 miles
N of
Trillium Lake, OR
| Day | Avg Temps ( F) | Precip (in) | Snow (in) | Degree Days ( F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 41 F | 59 F | 50 F | 0.19" | 54.42" | 0.00" | 146.50" | 14.8 F | 0.1 F |
| 10/2 | 41 F | 59 F | 50 F | 0.37" | 54.60" | 0.00" | 146.50" | 15.2 F | 0.1 F |
| 10/3 | 41 F | 58 F | 50 F | 0.55" | 54.78" | 0.10" | 146.60" | 15.5 F | N/A |
| 10/4 | 41 F | 58 F | 49 F | 0.74" | 54.97" | 0.10" | 146.60" | 15.9 F | N/A |
| 10/5 | 40 F | 57 F | 49 F | 0.92" | 55.15" | 0.10" | 146.60" | 16.2 F | N/A |
| 10/6 | 40 F | 57 F | 48 F | 1.11" | 55.34" | 0.20" | 146.70" | 16.6 F | N/A |
| 10/7 | 40 F | 57 F | 48 F | 1.31" | 55.54" | 0.20" | 146.70" | 17 F | N/A |
| 10/8 | 39 F | 56 F | 48 F | 1.53" | 55.76" | 0.20" | 146.70" | 17.3 F | N/A |
| 10/9 | 39 F | 56 F | 47 F | 1.75" | 55.98" | 0.30" | 146.80" | 17.7 F | N/A |
| 10/10 | 39 F | 55 F | 47 F | 1.97" | 56.20" | 0.40" | 146.90" | 18 F | N/A |
| 10/11 | 39 F | 55 F | 47 F | 2.20" | 56.43" | 0.40" | 146.90" | 18.4 F | N/A |
| 10/12 | 38 F | 54 F | 46 F | 2.44" | 56.67" | 0.50" | 147.00" | 18.8 F | N/A |
| 10/13 | 38 F | 54 F | 46 F | 2.69" | 56.92" | 0.60" | 147.10" | 19.1 F | N/A |
| 10/14 | 38 F | 53 F | 46 F | 2.95" | 57.18" | 0.70" | 147.20" | 19.5 F | N/A |
| 10/15 | 37 F | 53 F | 45 F | 3.22" | 57.45" | 0.80" | 147.30" | 19.8 F | N/A |
| 10/16 | 37 F | 53 F | 45 F | 3.48" | 57.71" | 1.00" | 147.50" | 20.2 F | N/A |
| 10/17 | 37 F | 52 F | 45 F | 3.76" | 57.99" | 1.10" | 147.60" | 20.5 F | N/A |
| 10/18 | 37 F | 52 F | 44 F | 4.05" | 58.28" | 1.20" | 147.70" | 20.9 F | N/A |
| 10/19 | 36 F | 51 F | 44 F | 4.33" | 58.56" | 1.30" | 147.80" | 21.2 F | N/A |
| 10/20 | 36 F | 51 F | 44 F | 4.63" | 58.86" | 1.40" | 147.90" | 21.5 F | N/A |
| 10/21 | 36 F | 51 F | 43 F | 4.94" | 59.17" | 1.60" | 148.10" | 21.9 F | N/A |
| 10/22 | 36 F | 50 F | 43 F | 5.26" | 59.49" | 1.70" | 148.20" | 22.2 F | N/A |
| 10/23 | 35 F | 50 F | 43 F | 5.59" | 59.82" | 1.90" | 148.40" | 22.5 F | N/A |
| 10/24 | 35 F | 49 F | 42 F | 5.93" | 60.16" | 2.00" | 148.50" | 22.8 F | N/A |
| 10/25 | 35 F | 49 F | 42 F | 6.28" | 60.51" | 2.20" | 148.70" | 23.2 F | N/A |
| 10/26 | 35 F | 49 F | 42 F | 6.62" | 60.85" | 2.50" | 149.00" | 23.5 F | N/A |
| 10/27 | 34 F | 48 F | 41 F | 6.97" | 61.20" | 2.70" | 149.20" | 23.8 F | N/A |
| 10/28 | 34 F | 48 F | 41 F | 7.32" | 61.55" | 2.90" | 149.40" | 24.1 F | N/A |
| 10/29 | 34 F | 47 F | 41 F | 7.67" | 61.90" | 3.20" | 149.70" | 24.4 F | N/A |
| 10/30 | 34 F | 47 F | 40 F | 8.04" | 62.27" | 3.50" | 150.00" | 24.6 F | N/A |
| 10/31 | 34 F | 47 F | 40 F | 8.42" | 62.65" | 3.80" | 150.30" | 24.9 F | N/A |
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