Click on a day for an hourly weather forecast
The temperatures in Bethesda in October are usually low and can range between 11°C and 20°C.
You can expect about 3 to 8 days of rain in Bethesda during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Bethesda in October 2025.
If you’re planning to visit Bethesda in the near future, we highly recommend that you review the 14 day weather forecast for Bethesda before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -2° | 7 | 21 | 3 | 79 mm | Awful | Bethesda in January |
| February | 7° / -1° | 8 | 17 | 4 | 86 mm | Awful | Bethesda in February |
| March | 12° / 3° | 7 | 22 | 2 | 96 mm | Awful | Bethesda in March |
| April | 18° / 8° | 7 | 23 | 0 | 114 mm | Ok | Bethesda in April |
| May | 24° / 14° | 10 | 21 | 0 | 113 mm | Good | Bethesda in May |
| June | 29° / 18° | 10 | 20 | 0 | 123 mm | Ok | Bethesda in June |
| July | 31° / 21° | 11 | 20 | 0 | 138 mm | Ok | Bethesda in July |
| August | 30° / 21° | 11 | 20 | 0 | 119 mm | Ok | Bethesda in August |
| September | 26° / 17° | 8 | 22 | 0 | 118 mm | Good | Bethesda in September |
| October | 20° / 11° | 7 | 25 | 0 | 117 mm | Ok | Bethesda in October |
| November | 13° / 5° | 5 | 25 | 0 | 78 mm | Ok | Bethesda in November |
| December | 8° / 1° | 7 | 23 | 1 | 109 mm | Bad | Bethesda in December |