The official National Weather Service forecast for Idalou — 33.6665°N, 101.6829°W, 13 miles from I-27. Forecasts here are written by NWS LUB, this county’s forecast office.
| Lubbock County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 55 | 59 | 68 | 76 | 84 | 92 | 93 | 93 | 86 | 76 | 65 | 56 | 75 |
| Avg low °F | 27 | 30 | 38 | 45 | 55 | 65 | 68 | 67 | 60 | 48 | 37 | 29 | 47 |
| Precip in | 0.6 | 0.6 | 1.1 | 1.3 | 2.8 | 2.7 | 2.0 | 2.1 | 2.3 | 1.6 | 0.9 | 0.7 | 18.7 |
1996–2025 normals for Lubbock County — the climate division Idalou sits in. All-time county record high 112.6°F (1994-06-28); record low -6.5°F (1963-01-13). Source: NOAA / National Weather Service.