Zone 10a · Last frost ~Jan 2 · Soil 72.1°F today (measured) · See your place on the 2023 USDA zone map
This ZIP is part of Escondido, San Marcos & San Diego, 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 · Escondido focus
6a6b7a7b8a8b9a9b10a10b11a
The map pixel at the marker shows 9b. The ZIP lookup table gives 10a for the whole ZIP area. Zone edges run through or near this ZIP.
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 2
avg last frost (50%)
Soil temp Measured
72.1°F
↓ 14.7° in 7 days
Chill hours
—
starts Nov 1
Rain
—
since Oct 1 · not enough data
Frost dates for 92025
Last spring frost
Jan 2
50% odds
First fall frost
Dec 30
50% odds
Safer spring date
Feb 4
10% chance of later frost
Growing season
365
days (50%)
Earliest-risk fall date (10%): Dec 8.
Station record: 19 of the 30 years in 1991–2020, which NOAA still uses for freeze dates. A full record would be more reliable.
NOAA NCEI U.S. Climate Normals 1991-2020, annual/seasonal freeze probabilities (32F) · CA ESCONDIDO #2 (USC00042863) 2.2 km away 19 yrs of record · 85 ft lower than this ZIP
Newsletter · 92025
Frost alerts and planting reminders for 92025. Coming soon.
Ad strip · leaderboard 970×90 / 728×90
7-day forecast · High / Low / Rain / Frost / Wind
High wind: 2 day(s) with gusts ≥40 mph. Stake and protect transplants.
Fri 16
91°70°gust 59 mph💧2%
High wind
Sat 17
88°63°gust 43 mph💧3%
High wind
Sun 18
88°62°gust 20 mph💧1%
Clear
Mon 19
84°60°gust 16 mph💧8%
Clear
Tue 20
74°57°gust 28 mph💧62% · 0.04″
Rain
Wed 21
71°55°gust 24 mph💧66% · 0.53″
Rain
Thu 22
70°54°gust 18 mph💧32% · 0.09″
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 · 92025
Calendar: San Diego County, inland valleys (guide Regions 3-4). 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.
ZIP 92025 (Escondido, 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 92025?
Based on NOAA 1991–2020 normals at Ca Escondido #2 (2.2 km away), the median last 32°F freeze is Jan 2. In 1 of 10 years it is after Feb 4. The median first fall freeze is Dec 30.
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 ESCONDIDO #2 (USC00042863) 2.2 km away 19 yrs of record · 85 ft lower 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: CIMIS, California Department of Water Resources (hourly air temperature; QC-flagged hours dropped)
