Weather landscape

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Vista, CA Weather on April 9

April 9th in Vista, CA typically brings mild spring weather, with average highs around 69°F and lows near 51°F. Over 55 years of records, the warmest April 9th was in 2014 (69°F average), while the coldest was 1999 (50°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 9th dates historically, with the wettest April 9th recording 2.18" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
69°F
Avg Low
51°F
Record High
83°F
1987
Record Low
38°F
1978
Vista, CA on April 9 — Temperature History20°F40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on April 9

Planning for April 9th in Vista, CA? Great weather for outdoor activities.

April 9 Weather Records for Vista

  • The all-time record high for April 9th in Vista, CA is 83°F, set in 1987.
  • The coldest April 9th on record dropped to 38°F in 1978.

Frequently Asked Questions

What was the warmest April 9 ever in Vista?

The warmest April 9 in Vista, CA reached 83°F in 1987. That is 14°F above the long-term average high of 69°F.

What was the coldest April 9 ever in Vista?

The coldest April 9 in Vista, CA dropped to 38°F in 1978. That is 13°F below the long-term average low of 51°F.

What is the average temperature on April 9 in Vista?

On April 9, Vista averages a high of 69°F and a low of 51°F based on 55 years of NOAA weather observations from CARLSBAD MCCLELLAN PALOMAR AP.

How many years of weather data are available for April 9 in Vista?

We have 55 years of weather records for April 9 in Vista, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

April 9 Weather History in Vista

YearHighLowPrecipSnow
202569°F52°F0"--
202472°F48°F0"--
202360°F52°F0"--
202277°F59°F0"--
202165°F54°F0"--
202059°F50°F2.06"--
201969°F57°F0"--
201880°F55°F0"--
201764°F50°F0"--
201667°F57°F0.03"--
201567°F52°F0"--
201481°F57°F0"--
201366°F51°F0"--
201270°F50°F0"--
201159°F42°F0.2"--
201065°F53°F0"--
200962°F52°F0"--
200861°F51°F0.03"--
200764°F57°F0"--
200662°F52°F0"--
200560°F50°F0"--
200466°F57°F0"--
200371°F52°F0"--
200263°F54°F0"--
200158°F42°F0.25"--
200065°F49°F0"--
199956°F45°F0"--
199864°F48°F0"--
199768°F54°F0"--
199669°F53°F0"--
199570°F52°F0"--
199464°F52°F0.33"--
199377°F47°F0"--
199271°F58°F0"--
199180°F50°F0"--
199071°F48°F0"--
198974°F59°F0"--
198879°F51°F0"--
198783°F52°F0"--
198675°F47°F0"--
198572°F51°F0"--
198472°F53°F0"--
198369°F48°F0"--
198274°F51°F0"--
198170°F48°F0"--
198080°F50°F0"--
197962°F51°F0"--
197866°F38°F0.03"--
197764°F51°F0"--
197665°F42°F0"--
197562°F45°F2.18"--
197469°F49°F0"--
197376°F44°F0"--
197274°F44°F0"--
197170°F44°F0"--

Based on 55 years of data from NOAA station: CARLSBAD MCCLELLAN PALOMAR AP

Monthly Climate Averages

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

Warmest MonthSeptemberAvg High: 80°F / Low: 61°F
Coldest MonthDecemberAvg High: 67°F / Low: 44°F
Jan
67°/ 44°
💧 8.9"
❄️ 1.0"
Feb
67°/ 45°
💧 8.5"
❄️ 16.0"
Mar
67°/ 48°
💧 6.7"
Apr
69°/ 50°
💧 4.9"
May
71°/ 55°
💧 2.5"
Jun
74°/ 59°
💧 1.5"
Jul
78°/ 62°
💧 5.1"
Aug
80°/ 63°
💧 4.4"
Sep
80°/ 61°
💧 2.8"
Oct
76°/ 56°
💧 4.5"
Nov
72°/ 49°
💧 6.1"
Dec
67°/ 44°
💧 7.2"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.