The official National Weather Service forecast for Interlachen — 29.6242°N, 81.8926°W, 25.6 miles from I-75. Forecasts here are written by NWS JAX, this county’s forecast office.
| Putnam County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 68 | 72 | 77 | 82 | 88 | 91 | 92 | 91 | 88 | 83 | 76 | 71 | 82 |
| Avg low °F | 45 | 49 | 53 | 58 | 65 | 71 | 73 | 73 | 71 | 63 | 54 | 49 | 60 |
| Precip in | 2.7 | 2.9 | 3.4 | 2.8 | 3.4 | 7.1 | 6.9 | 7.7 | 6.7 | 3.5 | 2.2 | 2.9 | 52.2 |
1996–2025 normals for Putnam County — the climate division Interlachen sits in. All-time county record high 102.4°F (1998-06-20); record low 13.3°F (1985-01-22). Source: NOAA / National Weather Service.