Click on a day for an hourly weather forecast
The temperatures in Olympia in October are quite cold with temperatures between 6°C and 16°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Olympia. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Olympia in October 2025.
If you’re planning to visit Olympia in the near future, we highly recommend that you review the 14 day weather forecast for Olympia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 2° | 13 | 16 | 2 | 289 mm | Awful | Olympia in January |
| February | 8° / 1° | 11 | 13 | 4 | 202 mm | Awful | Olympia in February |
| March | 11° / 2° | 13 | 17 | 1 | 223 mm | Bad | Olympia in March |
| April | 14° / 4° | 9 | 21 | 0 | 150 mm | Ok | Olympia in April |
| May | 19° / 6° | 6 | 25 | 0 | 94 mm | Good | Olympia in May |
| June | 22° / 8° | 4 | 26 | 0 | 64 mm | Good | Olympia in June |
| July | 27° / 11° | 1 | 30 | 0 | 21 mm | Perfect | Olympia in July |
| August | 27° / 12° | 2 | 29 | 0 | 29 mm | Perfect | Olympia in August |
| September | 23° / 10° | 6 | 24 | 0 | 106 mm | Perfect | Olympia in September |
| October | 16° / 6° | 10 | 21 | 0 | 251 mm | Ok | Olympia in October |
| November | 10° / 4° | 13 | 16 | 1 | 293 mm | Bad | Olympia in November |
| December | 6° / 1° | 12 | 16 | 2 | 262 mm | Awful | Olympia in December |