The official National Weather Service forecast for Mendota Heights — 44.8836°N, 93.1383°W, 6.3 miles from I-94. Forecasts here are written by NWS MPX, this county’s forecast office.
| Dakota County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 23 | 28 | 42 | 56 | 69 | 79 | 83 | 80 | 74 | 59 | 43 | 29 | 55 |
| Avg low °F | 8 | 10 | 23 | 36 | 48 | 58 | 63 | 60 | 53 | 39 | 27 | 14 | 37 |
| Precip in | 0.8 | 0.9 | 1.8 | 2.9 | 4.2 | 4.8 | 3.9 | 4.5 | 3.0 | 2.5 | 1.4 | 1.3 | 32.0 |
1996–2025 normals for Dakota County — the climate division Mendota Heights sits in. All-time county record high 102.8°F (1988-08-01); record low -34.9°F (1951-01-30). Source: NOAA / National Weather Service.