Weather at Horse Hill, Mill Valley

Weather data last updated 18 Jan 2026 7:56 AM

Currently 54.6° (↑4.8°)

High: 54.6° (7:56 am) / Low: 42.8° (3:46 am)

Records: High 81.1° (2021), Low 27.3° (2012), Low High ° ()

AQI: 0 (Good)

Temperature History (↑5°)

Temps and Forecast

Solar

Inside

65.1° (High 66°/Low 64°)

Humidity: 59% (hi 60% @ 7:05 am/lo 57% @ 1:12 am)

Sunrise 7:23 am / Sunset 5:18 pm (9:55 daylight).

Monthly extremes: 70.3°/30.8°; Yearly extremes: 70.3°/30.8°

Rain

21.67 inches of rain since July 1.
5.55 inches this month.

Record for this date: 1.53 inches (2010)

Storm Log

Last two weeks of rain:

Rain events:

• 6.88" Dec 31-Jan 6 (7 days)
• 7.57" Dec 19-Dec 26 (8 days)
• 0.21" Dec 17
• 0.31" Nov 20
• 4.06" Nov 13-Nov 17 (5 days)
• 0.47" Nov 5-Nov 8 (4 days)
• 0.66" Oct 25-Oct 27 (3 days)
• 0.86" Oct 13-Oct 16 (4 days)
• 0.47" Sep 29-Oct 3 (5 days)

Barometer - Steady

30.19 (hi 30.19 @ 7:52 am/lo 30.17 @ 7:52 am)

Wind

Wind direction is: S by E. Average wind speed is 2 MPH (2). Wind gust is 4 MPH (2).

Humidity

76% (hi 89% @ 5:00 am/lo 74% @ 7:37 am)