The official National Weather Service forecast for Tuttle — 35.2909°N, 97.8123°W, 7.4 miles from I-44. Forecasts here are written by NWS OUN, this county’s forecast office.
| Grady County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 52 | 55 | 65 | 73 | 81 | 89 | 95 | 94 | 87 | 75 | 63 | 53 | 74 |
| Avg low °F | 28 | 31 | 41 | 48 | 58 | 67 | 71 | 70 | 62 | 51 | 40 | 31 | 50 |
| Precip in | 1.4 | 1.5 | 2.6 | 3.7 | 5.0 | 4.4 | 2.8 | 3.0 | 2.8 | 3.3 | 1.9 | 1.6 | 34.0 |
1996–2025 normals for Grady County — the climate division Tuttle sits in. All-time county record high 111.1°F (2022-07-20); record low -8.4°F (1989-12-23). Source: NOAA / National Weather Service.