Weather information for the Fallon area is provided below. Average temperatures, climate details and current forecasts are included.
Climate
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Avg. High | 45 | 53 | 59 | 66 | 74 | 84 | 92 | 90 | 82 | 70 | 56 | 46 | |
| Avg. Low | 19 | 25 | 29 | 34 | 41 | 48 | 53 | 51 | 43 | 33 | 25 | 17 | |
| Precipitation | .5 | .4 | .5 | .5 | .7 | .5 | .1 | .2 | .3 | .4 | .3 | .3 | |

