The official National Weather Service forecast for Clarksdale — 39.8136°N, 94.5505°W, 13.5 miles from I-29. Forecasts here are written by NWS EAX, this county’s forecast office.
| DeKalb County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 41 | 53 | 64 | 74 | 84 | 87 | 86 | 79 | 67 | 53 | 40 | 64 |
| Avg low °F | 17 | 21 | 31 | 42 | 52 | 62 | 66 | 64 | 56 | 44 | 32 | 22 | 42 |
| Precip in | 1.2 | 1.4 | 2.4 | 3.6 | 5.3 | 5.6 | 4.1 | 4.6 | 3.3 | 3.3 | 2.0 | 1.5 | 38.3 |
1996–2025 normals for DeKalb County — the climate division Clarksdale sits in. All-time county record high 107.0°F (1954-07-13); record low -24.2°F (1989-12-23). Source: NOAA / National Weather Service.