Hayward Weather Forecast
- 52
- 56
Rain Likely
- 54
- 57
Rain
- 54
- 56
Rain Showers
- 52
- 56
Rain Showers Likely
- 50
- 55
Rain
- 49
- 52
Rain
- 47
- 51
Rain
Today 19 Dec Mariposa Madera Foothills
Mostly cloudy. Areas of dense fog in the morning. Slight chance of rain in the late morning and early afternoon. Chance of rain late in the afternoon. Highs 52 to 58. Southeast Winds up to 5 Mph shifting to the southwest in the afternoon. Chance of rain 50 percent.
Tonight 19 Dec Mariposa Madera Foothills
Chance of rain until early Morning, then rain likely late in the night. Patchy fog through the night. Near steady temperature around 50. East Winds up to 5 Mph. Chance of rain 70 percent.
Hayward Temperature Statistics
December Temperature
Merced / Castle Air Force Base (21.7 miles)
Lowest 8 December, 2025
42.8 °FAverage December
43.1 °FHighest 8 December, 2025
44.6 °F
Climate (2020–Present)
Merced / Castle Air Force Base (21.7 miles)
Average Low 2020–2025
50.8 °FAverage 2020–2025
61 °FAverage High 2020–2025
76.7 °F