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Hayward, CA Weather on May 26

May 26th in Hayward, CA typically brings mild spring weather, with average highs around 68°F and lows near 52°F. Over 52 years of records, the warmest May 26th was in 2020 (77°F average), while the coldest was 1998 (51°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 6% of May 26th dates historically. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
68°F
Avg Low
52°F
Record High
92°F
2020
Record Low
43°F
1978
Hayward, CA on May 26 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on May 26

Planning for May 26th in Hayward, CA? Great weather for outdoor activities.

May 26 Weather Records for Hayward

  • The all-time record high for May 26th in Hayward, CA is 92°F, set in 2020.
  • The coldest May 26th on record dropped to 43°F in 1978.
  • Temperatures have reached 90°F or higher on May 26th in 1 of the last 52 years.
  • Last year (1971), May 26th was 5°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest May 26 ever in Hayward?

The warmest May 26 in Hayward, CA reached 92°F in 2020. That is 24°F above the long-term average high of 68°F.

What was the coldest May 26 ever in Hayward?

The coldest May 26 in Hayward, CA dropped to 43°F in 1978. That is 9°F below the long-term average low of 52°F.

What is the average temperature on May 26 in Hayward?

On May 26, Hayward averages a high of 68°F and a low of 52°F based on 52 years of NOAA weather observations from HAYWARD AIR TERMINAL.

How many years of weather data are available for May 26 in Hayward?

We have 52 years of weather records for May 26 in Hayward, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

May 26 Weather History in Hayward

YearHighLowPrecipSnow
202569°F57°F0"--
202473°F53°F0"--
202365°F55°F0"--
202270°F52°F0"--
202168°F50°F0"--
202092°F62°F0"--
201962°F53°F0.23"--
201865°F55°F0"--
201768°F56°F0"--
201672°F54°F0"--
201564°F55°F0"--
201472°F53°F0"--
201367°F55°F0"--
201260°F51°F0"--
201166°F53°F0"--
201067°F54°F0.15"--
200977°F50°F0"--
200862°F48°F0"--
200769°F52°F0"--
200665°F54°F0"--
200567°F55°F0"--
200472°F57°F0"--
200369°F54°F0"--
200262°F54°F0"--
200162°F53°F0"--
200065°F54°F0"--
199967°F52°F0"--
199858°F45°F----
199773°F50°F----
199657°F49°F----
199562°F55°F----
199459°F51°F----
199363°F55°F----
198970°F45°F0"--
198864°F51°F0"--
198763°F51°F0"--
198679°F57°F0"--
198568°F50°F0.05"--
198485°F54°F0"--
198370°F50°F0"--
198269°F54°F0"--
198172°F54°F0"--
198065°F47°F0"--
197982°F53°F0"--
197866°F43°F0"--
197767°F43°F0"--
197672°F45°F0"--
197583°F51°F0"--
197481°F47°F0"--
197365°F53°F0"--
197265°F48°F0"--
197163°F48°F0"--

Based on 52 years of data from NOAA station: HAYWARD AIR TERMINAL

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°
💧 6.4"
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.

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