Typically, the average weather in Washington DC through the whole of October is 13. You can expect highs around 20 with lows about 10 degrees. For more context we have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 20 |
| Low Temperature | 10 |
| Sunshine Per Day | 8 |
Useful Links: Washington DC Weather: Average Weather & Yearly Climate