NOAA GHCND · LIVE
Weather landscape

Basilemorin / CC0

Moreno Valley, CA Weather on May 27

May 27th in Moreno Valley, CA typically brings warm spring weather, with average highs around 80°F and lows near 52°F — a 28°F daily swing. Over 55 years of records, the warmest May 27th was in 1974 (79°F average), while the coldest was 1971 (54°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 27th dates historically. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
80°F
Avg Low
52°F
Record High
101°F
2000
Record Low
41°F
2019
Moreno Valley, CA on May 27 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on May 27

Planning for May 27th in Moreno Valley, CA? Stay hydrated and seek shade during peak afternoon hours.

May 27 Weather Records for Moreno Valley

  • The all-time record high for May 27th in Moreno Valley, CA is 101°F, set in 2000.
  • The coldest May 27th on record dropped to 41°F in 2019.
  • Temperatures have reached 90°F or higher on May 27th in 9 of the last 55 years.
  • Last year (1971), May 27th was 17°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest May 27 ever in Moreno Valley?

The warmest May 27 in Moreno Valley, CA reached 101°F in 2000. That is 21°F above the long-term average high of 80°F.

What was the coldest May 27 ever in Moreno Valley?

The coldest May 27 in Moreno Valley, CA dropped to 41°F in 2019. That is 11°F below the long-term average low of 52°F.

What is the average temperature on May 27 in Moreno Valley?

On May 27, Moreno Valley averages a high of 80°F and a low of 52°F based on 55 years of NOAA weather observations from MARCH AFB.

How many years of weather data are available for May 27 in Moreno Valley?

We have 55 years of weather records for May 27 in Moreno Valley, 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 27 Weather History in Moreno Valley

YearHighLowPrecipSnow
202583°F56°F0"--
202483°F49°F0"--
202375°F54°F0"--
202281°F54°F0"--
202180°F50°F0"--
202096°F55°F0"--
201966°F41°F0.03"--
201878°F49°F0"--
201778°F51°F0"--
201682°F53°F0"--
201579°F54°F0"--
201493°F57°F0"--
201381°F50°F0"--
201280°F41°F0"--
201179°F49°F----
201071°F54°F----
200983°F52°F----
200870°F45°F----
200780°F52°F----
200674°F51°F----
200582°F53°F----
200481°F49°F0"--
200397°F54°F----
200276°F47°F----
200169°F56°F----
2000101°F54°F----
199989°F56°F0"--
199874°F44°F0"--
199796°F60°F0"--
199677°F51°F0"--
199576°F53°F0"--
199483°F52°F0"--
199379°F53°F0"--
199282°F60°F0"--
199176°F53°F0"--
199074°F51°F0"--
198982°F54°F0"--
198879°F53°F0"--
198766°F51°F0"--
198693°F57°F0"--
198577°F55°F0"--
198496°F61°F0"--
198399°F57°F0"--
198263°F55°F0"--
198173°F58°F0.23"--
198063°F48°F0"--
197980°F59°F0"--
197887°F49°F0"--
197777°F47°F0"--
197682°F52°F0"--
197578°F54°F0"--
1974101°F57°F0"--
197379°F51°F0"--
197285°F56°F0"--
197163°F46°F0"--

Based on 55 years of data from NOAA station: MARCH AFB

Monthly Climate Averages

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

Warmest MonthAugustAvg High: 94°F / Low: 63°F
Coldest MonthDecemberAvg High: 66°F / Low: 40°F
Jan
67°/ 40°
💧 6.9"
Feb
68°/ 41°
💧 7.6"
Mar
71°/ 43°
💧 6.4"
Apr
75°/ 46°
💧 4.6"
May
79°/ 51°
💧 3.1"
Jun
87°/ 56°
💧 1.9"
Jul
94°/ 62°
💧 3.7"
Aug
94°/ 63°
💧 9.2"
Sep
90°/ 60°
💧 3.2"
Oct
82°/ 52°
💧 4.3"
Nov
74°/ 45°
💧 6.6"
Dec
66°/ 40°
💧 7.3"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

Memorial Day WeatherSee weather history for Memorial Day across all cities
📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery