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Weather on July 18

Hayward, CA

55 Years of Data

Avg High
75°F
Avg Low
56°F
Warmest
1988
83°F avg
Coldest
1973
58°F avg

About This Date

July 18th in Hayward, CA typically brings pleasant summer weather, with average highs around 75°F and lows near 56°F. Over 52 years of records, the warmest July 18th was in 1988 (83°F average), while the coldest was 1973 (58°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for July 18th in Hayward, CA? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
202569°59°64°
202481°60°70°
202376°58°67°
202280°58°69°
202181°55°68°
202077°59°68°
201976°58°67°
201877°59°68°
201769°58°63°
201669°58°63°
201575°60°68°
201474°60°67°
201375°55°65°
201269°58°63°
201175°54°64°
201073°57°65°
200981°57°69°
200869°54°61°
200774°62°68°
200689°62°76°
200573°58°65°
200477°64°71°
200387°60°74°
200268°57°63°
200175°56°65°
200074°58°66°
199970°55°62°
199895°63°79°
199776°53°64°
199677°53°65°
199575°58°66°
199469°50°60°
199378°51°65°
198983°58°70°
1988warmest103°64°83°
198768°52°60°
198666°54°60°
198571°53°62°
198480°59°70°
198368°55°62°
198270°57°63°
198164°52°58°
198076°54°65°
197978°54°66°
197890°56°73°
197779°53°66°
197670°50°60°
197566°52°59°
197474°54°64°
1973coldest67°50°58°
197271°57°64°
197176°52°64°
52 years of data from HAYWARD AIR TERMINAL

Hayward, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

30°40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Hayward, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"4.6"9.2"JFMAMJJASOND4.5"0"
Rain (in) Snow (in)

Hayward, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Hayward, CA

Most pleasant months in Hayward, CA: August.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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