Normally the average daily weather in Marathon right through the month of March is 11. Throughout the month you should see a high of 17 with low daily temperautes being 8 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 11 |
| High Temperature | 17 |
| Low Temperature | 8 |
Useful Links: Marathon Weather: Average Weather & Yearly Climate