Historical Weather in Hayward, CA

See 55+ years of weather history for any date in Hayward going back to 1970.

Part of California weather history

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Searching weather history for Hayward, CA

Today in Hayward Weather HistorySee records, averages, and 55+ years of data for today's date

Monthly Climate Averages

Historical temperature and precipitation averages for Hayward, CA, based on 55+ years of weather data.

Warmest MonthSeptemberAvg High: 77°F / Low: 56°F
Coldest MonthDecemberAvg High: 57°F / Low: 43°F
Jan
58°/ 44°
💧 9.0"
Feb
61°/ 45°
💧 8.9"
Mar
63°/ 46°
💧 7.9"
❄️ 0.2"
Apr
66°/ 47°
💧 6.2"
May
69°/ 51°
💧 3.6"
Jun
73°/ 53°
💧 4.1"
Jul
75°/ 55°
💧 2.9"
Aug
76°/ 56°
💧 2.1"
Sep
77°/ 56°
💧 4.4"
❄️ 4.5"
Oct
73°/ 54°
💧 9.2"
Nov
64°/ 48°
💧 8.7"
Dec
57°/ 43°
💧 8.9"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

Hayward Temperature Records

  • Record High: The hottest temperature ever recorded in Hayward, CA is 114°F, set on July 23, 2006.
  • Record Low: The coldest temperature ever recorded in Hayward, CA is 25°F, set on January 13, 1997.
  • Data Coverage: Based on 29 years of data from NOAA weather station: HAYWARD AIR TERMINAL.

All-Time Record High

114°F
July 23, 2006

All-Time Record Low

25°F
January 13, 1997

Monthly Temperature Records in Hayward

MonthRecord HighRecord Low
January83°F(2021)25°F(1997)
February89°F(2008)29°F(2011)
March87°F(2015)29°F(2023)
April95°F(2009)32°F(1999)
May99°F(2021)37°F(2011)
June108°F(2000)42°F(1999)
July114°F(2006)45°F(1999)
August106°F(1998)40°F(2009)
September110°F(2017)45°F(2007)
October104°F(2024)38°F(2003)
November85°F(2008)31°F(2004)
December79°F(2020)25°F(1998)
California State RecordsSee all-time records for the entire state
Hayward Snow RecordsSee the top 10 snowiest days ever recorded