Modesto Weather Forecast
- 41
- 46
Dense Fog
- 43
- 46
Mostly Cloudy
- 46
- 51
Mostly Cloudy
- 52
- 59
Chance Rain Showers
- 49
- 62
Slight Chance Rain Showers
- 50
- 57
Chance Rain Showers
- 50
- 56
Chance Rain Showers
Today 13 Dec Northern San Joaquin Valley
Mostly cloudy. Areas of fog. Locally dense until late afternoon. Patchy fog late in the afternoon. Highs 47 to 57. Light Winds.
Tonight 13 Dec Northern San Joaquin Valley
Mostly cloudy. Patchy fog in the evening. Areas of dense fog. Locally dense after midnight. Lows 39 to 45. Light Winds.
Modesto Temperature Statistics
December Temperature
Modesto City-County Airport - Harry Sham Field (2.5 miles)
Lowest 4 December, 2025
36 °FAverage December
43.8 °FHighest 3 December, 2025
54 °F
Climate (2020–Present)
Modesto City-County Airport - Harry Sham Field (2.5 miles)
Average Low 2020–2025
51.4 °FAverage 2020–2025
63.3 °FAverage High 2020–2025
75.9 °F