Zone 11a · Frost-free in most years · Soil 71.4°F today (modeled) · See your place on the 2023 USDA zone map
This ZIP is part of San Diego, Chula Vista, Coronado area, where nearby ZIPs share the same stations and zone. That page compares every ZIP in the area.
Public NOAA/USDA data, updated 2026-10-16 19:24 UTC.
USDA Plant Hardiness Zone Map · San Diego focus
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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
11a
USDA 2023 · 40 to 45°F
Last frost
None
frost-free ≥9 of 10 yrs
Soil temp Modeled
71.4°F
↓ 6.7° in 7 days
Chill hours
—
starts Nov 1
Rain
1.04″
since Oct 1 · normal 0.17″
Frost dates for 92147
Frost-free in most years. No 32F freeze in at least 9 of 10 years at this station (NCEI reports no freeze dates; growing season = 365 days).
NOAA NCEI U.S. Climate Normals 1991-2020, annual/seasonal freeze probabilities (32F) · CA SAN DIEGO LINDBERGH FLD GSN (USW00023188) 3.2 km away 27 yrs of record · about the same elevation
Newsletter · 92147
Frost alerts and planting reminders for 92147. Coming soon.
Ad strip · leaderboard 970×90 / 728×90
7-day forecast · High / Low / Rain / Frost / Wind
Fri 16
94°73°gust 21 mph💧5%
Clear
Sat 17
89°68°gust 14 mph💧5%
Clear
Sun 18
85°68°gust 17 mph💧0%
Clear
Mon 19
79°66°gust 15 mph💧8%
Clear
Tue 20
71°63°gust 20 mph💧67% · 0.04″
Rain
Wed 21
70°62°gust 20 mph💧67% · 0.49″
Rain
Thu 22
69°62°gust 15 mph💧36% · 0.12″
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 · 92147
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.
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 SAN DIEGO LINDBERGH FLD GSN (USW00023188) 3.2 km away 27 yrs of record · about the same elevation
Forecast: NOAA National Weather Service api.weather.gov (7-day forecast + gridpoint wind gusts)
Soil: Open-Meteo forecast API soil model (non-commercial terms)
Chill: Iowa Environmental Mesonet ASOS archive (NWS/FAA METAR routine + special obs; one value per clock hour)