The official National Weather Service forecast for Darmstadt — 38.0992°N, 87.5789°W, 4.7 miles from I-64. Forecasts here are written by NWS PAH, this county’s forecast office.
| Vanderburgh County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 46 | 57 | 68 | 77 | 86 | 88 | 87 | 82 | 70 | 57 | 46 | 67 |
| Avg low °F | 25 | 28 | 37 | 46 | 57 | 65 | 68 | 67 | 59 | 48 | 37 | 29 | 47 |
| Precip in | 3.5 | 3.4 | 4.7 | 5.2 | 5.0 | 4.4 | 4.6 | 3.1 | 3.4 | 3.5 | 3.6 | 4.0 | 48.4 |
1996–2025 normals for Vanderburgh County — the climate division Darmstadt sits in. All-time county record high 107.5°F (2012-06-29); record low -16.1°F (1985-01-21). Source: NOAA / National Weather Service.