The official National Weather Service forecast for Syracuse — 37.9807°N, 101.7543°W, 93.8 miles from I-70.
| Hamilton County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 49 | 60 | 69 | 78 | 89 | 93 | 91 | 84 | 71 | 58 | 48 | 70 |
| Avg low °F | 18 | 20 | 29 | 37 | 48 | 58 | 64 | 62 | 54 | 40 | 28 | 19 | 40 |
| Precip in | 0.3 | 0.3 | 0.9 | 1.4 | 2.3 | 2.5 | 3.0 | 2.8 | 1.3 | 1.4 | 0.4 | 0.5 | 17.1 |
1996–2025 normals for Hamilton County — the climate division Syracuse sits in. All-time county record high 110.9°F (2013-06-12); record low -21.1°F (2021-02-15). Source: NOAA / National Weather Service.