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What is Fontenelle, WY, Weather Like in October?
During the month of October, Fontenelle, WY,
has an average daytime high temperature of 57°F and an average overnight low temperature dropping to 23°F.
Around 0.66 inches of precipitation is received during the month,
with about 6.95 inches falling in a typical year.
1.30 inches of snow is the mean amount received during October.
Annually, Fontenelle receives around 19.90 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 20, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 65.2 F
(+5.5 vs avg)
Average Low: 33.9 F
(+9.2 vs avg)
This month was significantly warmer than average.
Actual data from: MID_GBFW4
Fontenelle, WY Daily Weather Averages for October
Recorded at Fontenelle Dam
(usc00483396),
0.1 miles
NW of
Fontenelle, WY
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 28 F | 64 F | 46 F | 0.03" | 6.32" | 0.00" | 18.60" | 18.8 F | N/A |
| 10/2 | 28 F | 64 F | 46 F | 0.06" | 6.35" | 0.00" | 18.60" | 19.3 F | N/A |
| 10/3 | 27 F | 63 F | 45 F | 0.09" | 6.38" | 0.00" | 18.60" | 19.7 F | N/A |
| 10/4 | 27 F | 63 F | 45 F | 0.12" | 6.41" | 0.00" | 18.60" | 20.1 F | N/A |
| 10/5 | 27 F | 62 F | 44 F | 0.14" | 6.43" | 0.00" | 18.60" | 20.6 F | N/A |
| 10/6 | 26 F | 62 F | 44 F | 0.17" | 6.46" | 0.00" | 18.60" | 21 F | N/A |
| 10/7 | 26 F | 61 F | 44 F | 0.20" | 6.49" | 0.00" | 18.60" | 21.4 F | N/A |
| 10/8 | 25 F | 61 F | 43 F | 0.22" | 6.51" | 0.10" | 18.70" | 21.9 F | N/A |
| 10/9 | 25 F | 60 F | 43 F | 0.25" | 6.54" | 0.10" | 18.70" | 22.3 F | N/A |
| 10/10 | 25 F | 60 F | 42 F | 0.27" | 6.56" | 0.10" | 18.70" | 22.8 F | N/A |
| 10/11 | 24 F | 59 F | 42 F | 0.30" | 6.59" | 0.10" | 18.70" | 23.2 F | N/A |
| 10/12 | 24 F | 59 F | 41 F | 0.32" | 6.61" | 0.10" | 18.70" | 23.6 F | N/A |
| 10/13 | 24 F | 58 F | 41 F | 0.34" | 6.63" | 0.20" | 18.80" | 24.1 F | N/A |
| 10/14 | 23 F | 58 F | 41 F | 0.36" | 6.65" | 0.20" | 18.80" | 24.5 F | N/A |
| 10/15 | 23 F | 57 F | 40 F | 0.39" | 6.68" | 0.30" | 18.90" | 24.9 F | N/A |
| 10/16 | 22 F | 57 F | 40 F | 0.41" | 6.70" | 0.30" | 18.90" | 25.4 F | N/A |
| 10/17 | 22 F | 56 F | 39 F | 0.43" | 6.72" | 0.40" | 19.00" | 25.8 F | N/A |
| 10/18 | 22 F | 56 F | 39 F | 0.45" | 6.74" | 0.40" | 19.00" | 26.2 F | N/A |
| 10/19 | 21 F | 55 F | 38 F | 0.47" | 6.76" | 0.50" | 19.10" | 26.7 F | N/A |
| 10/20 | 21 F | 55 F | 38 F | 0.49" | 6.78" | 0.60" | 19.20" | 27.1 F | N/A |
| 10/21 | 21 F | 54 F | 38 F | 0.51" | 6.80" | 0.60" | 19.20" | 27.5 F | N/A |
| 10/22 | 20 F | 54 F | 37 F | 0.52" | 6.81" | 0.70" | 19.30" | 27.9 F | N/A |
| 10/23 | 20 F | 53 F | 37 F | 0.54" | 6.83" | 0.70" | 19.30" | 28.4 F | N/A |
| 10/24 | 20 F | 53 F | 36 F | 0.55" | 6.84" | 0.80" | 19.40" | 28.8 F | N/A |
| 10/25 | 19 F | 52 F | 36 F | 0.57" | 6.86" | 0.90" | 19.50" | 29.2 F | N/A |
| 10/26 | 19 F | 52 F | 35 F | 0.58" | 6.87" | 1.00" | 19.60" | 29.7 F | N/A |
| 10/27 | 19 F | 51 F | 35 F | 0.60" | 6.89" | 1.00" | 19.60" | 30.1 F | N/A |
| 10/28 | 18 F | 51 F | 35 F | 0.62" | 6.91" | 1.10" | 19.70" | 30.5 F | N/A |
| 10/29 | 18 F | 50 F | 34 F | 0.63" | 6.92" | 1.20" | 19.80" | 31 F | N/A |
| 10/30 | 17 F | 50 F | 34 F | 0.65" | 6.94" | 1.20" | 19.80" | 31.4 F | N/A |
| 10/31 | 17 F | 49 F | 33 F | 0.66" | 6.95" | 1.30" | 19.90" | 31.9 F | N/A |
