The official National Weather Service forecast for Mesquite — 36.8055°N, 114.0672°W, population 19,206, 1.3 miles from I-15. Forecasts here are written by NWS VEF, this county’s forecast office.
| Clark County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 56 | 59 | 67 | 74 | 84 | 95 | 100 | 98 | 91 | 78 | 65 | 55 | 77 |
| Avg low °F | 36 | 38 | 44 | 50 | 59 | 68 | 75 | 73 | 65 | 54 | 43 | 36 | 53 |
| Precip in | 0.8 | 1.1 | 0.6 | 0.4 | 0.2 | 0.1 | 0.6 | 0.6 | 0.5 | 0.6 | 0.5 | 0.7 | 6.7 |
1996–2025 normals for Clark County — the climate division Mesquite sits in. All-time county record high 111.9°F (2007-07-06); record low 8.9°F (1990-12-23). Source: NOAA / National Weather Service.