Garden Climate for Vista & Oceanside: 92057, 92083, 92084

Zone 10a · Last frost ~Jan 30 · Soil 72.1°F today (measured) · See your place on the 2023 USDA zone map

ZIPs in this area

What differs between these ZIPs: elevation, soil temperature. Everything else on this page is the same for all of them. The page below shows 92083 (closest to the area's middle elevation).

ZIPTownElevationZoneLast frostFirst frostChill hrs last seasonSoil now
92057Oceanside76 ft10aJan 30Jan 759368.7°F
92083Vista318 ft10aJan 30Jan 759372.1°F
92084Vista491 ft10aJan 30Jan 759372.1°F

Why grouped: these are urban and suburban lowland ZIPs (under about 1,500 ft and within 40 km of the ocean) whose numbers are close: median last frost dates within about two weeks of each other, last season's chill hours all in the 300-600 range, the same inland setting and the same 820 ft elevation band. Each ZIP still uses its own nearest suitable stations; see the table for exact values.

Public NOAA/USDA data, updated 2026-10-16 18:57 UTC.

USDA Plant Hardiness Zone Map · Vista focus

2023 USDA Plant Hardiness Zone Map around ZIP 92083, marker at Vista, CA
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USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture. Accessed from https://planthardiness.ars.usda.gov/. Rendered unaltered from the PRISM Group, Oregon State University GIS data (https://prism.oregonstate.edu, accessed 15 Oct 2026) with official zone colors. Roads (TIGER/Line 2023 primary roads), place names (2023 Gazetteer) and state lines (2023 cartographic boundaries 1:500k) are drawn on top. Source: U.S. Census Bureau.

Zone
10a
USDA 2023 · 30 to 35°F
Last frost
Jan 30
avg last frost (50%)
Soil temp Measured
72.1°F
↓ 14.7° in 7 days
Chill hours
—
starts Nov 1
Rain
1.91″
since Oct 1 · normal 0.18″

Frost dates for 92083

Last spring frost
Jan 30
50% odds
First fall frost
Jan 7 (next yr)
50% odds
Safer spring date
Mar 16
10% chance of later frost
Growing season
365
days (50%)

Earliest-risk fall date (10%): Dec 14.

NOAA NCEI U.S. Climate Normals 1991-2020, annual/seasonal freeze probabilities (32F) · CA VISTA (USC00049378) 4.4 km away 22 yrs of record · 112 ft higher than this ZIP

Newsletter · 92083

Frost alerts and planting reminders for 92083. Coming soon.

Ad strip · leaderboard 970×90 / 728×90

7-day forecast · High / Low / Rain / Frost / Wind

High wind: 1 day(s) with gusts ≥40 mph. Stake and protect transplants.
Fri 16
93° 72° gust 40 mph 💧2%
High wind
Sat 17
89° 65° gust 30 mph 💧2%
Clear
Sun 18
86° 65° gust 15 mph 💧1%
Clear
Mon 19
81° 62° gust 14 mph 💧11%
Clear
Tue 20
72° 59° gust 24 mph 💧67% · 0.07″
Rain
Wed 21
70° 57° gust 20 mph 💧67% · 0.73″
Rain
Thu 22
69° 56° gust 15 mph 💧33% · 0.13″
Clear

NOAA NWS api.weather.gov (SGX). Frost = low ≤32°F · High wind = gust ≥40 mph · 💧 = chance of precipitation and expected amount (NWS quantitative precipitation forecast; blank when NWS gives none) · Rain = chance ≥50%.

What to grow when · 92083

Calendar: San Diego County, coastal (guide Regions 1-2). Planting months from UC Master Gardeners of San Diego County; Master Gardener Association of San Diego County. Harvest months add typical days-to-harvest. This month also checks live soil temperature and the 7-day frost forecast. The harvest planner uses the same calendar. Rules: methodology.

Affiliate links (disclosed). Placeholders, no partners yet:Frost clothSoil thermometer

Questions about 92083

What USDA hardiness zone is 92083?

ZIP 92083 (Vista, CA) is in USDA zone 10a (30 to 35°F average annual extreme minimum), per the 2023 USDA Plant Hardiness Zone Map.

When is the last frost in 92083?

Based on NOAA 1991–2020 normals at Ca Vista (4.4 km away), the median last 32°F freeze is Jan 30. In 1 of 10 years it is after Mar 16. The median first fall freeze is Jan 7.

Nearby ZIP codes

Sources for this page

  • Location: US Census Bureau 2023 Gazetteer, ZCTA internal point
  • Zone: USDA Plant Hardiness Zone Map 2023, ZIP datasets (USDA ARS + PRISM Climate Group, Oregon State University)
  • Frost: NOAA NCEI U.S. Climate Normals 1991-2020, annual/seasonal freeze probabilities (32F) CA VISTA (USC00049378) 4.4 km away 22 yrs of record · 112 ft higher than this ZIP
  • Forecast: NOAA National Weather Service api.weather.gov (7-day forecast + gridpoint wind gusts)
  • Soil: NOAA U.S. Climate Reference Network (USCRN) hourly02, SOIL_TEMP_10
  • Chill: Iowa Environmental Mesonet ASOS archive (NWS/FAA METAR routine + special obs; one value per clock hour)
  • Raw data: /data/zip/92083.json