ZIP 20565 · Downtown DC, DC · Nov 11, 2026
Soil temperature for ZIP code 20565
low 53°F · high 63°F
Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.3 km from the ZIP centre point
What the soil says today
- Pre-emergentSeason over
- Cool-season seedToo late in the season
- Warm-season seedToo cold
- TomatoesToo cold
- Peas and lettuceWarm enough
From the 5-day mean of the modelled 0–4 in layer.
Soil temperature, 0–4 in: last 7 days and next 7
°F, modelled. Dots and line: daily average (dashed = forecast); bars: low to high; green band: 50–55°F.
View as table
| Day | Average | Low | High | |
|---|---|---|---|---|
| Nov 4 | 63.0°F | 56.8°F | 68.2°F | analysis |
| Nov 5 | 65.3°F | 63.8°F | 66.9°F | analysis |
| Nov 6 | 64.8°F | 64.2°F | 65.8°F | analysis |
| Nov 7 | 57.6°F | 55.0°F | 60.8°F | analysis |
| Nov 8 | 54.4°F | 49.2°F | 58.3°F | analysis |
| Nov 9 | 56.3°F | 52.8°F | 60.2°F | analysis |
| Nov 10 | 55.9°F | 50.1°F | 61.1°F | analysis |
| Today | 58.8°F | 52.8°F | 63.4°F | analysis |
| Nov 12 | 57.1°F | 55.3°F | 58.6°F | forecast |
| Nov 13 | 51.3°F | 50.3°F | 52.8°F | forecast |
| Nov 14 | 45.5°F | 41.5°F | 48.3°F | forecast |
| Nov 15 | 45.3°F | 40.9°F | 48.9°F | forecast |
| Nov 16 | 46.1°F | 41.1°F | 50.1°F | forecast |
| Nov 17 | 46.9°F | 42.0°F | 50.5°F | forecast |
Spring 2026 threshold dates
From the 5-day mean held for 10 days or more.
| Soil | What it means | Held from (spring 2026) |
|---|---|---|
| 40°F | Peas and lettuce | Feb 28 |
| 50°F | Pre-emergent window opens | Mar 23 |
| 55°F | Crabgrass can germinate | Apr 13 |
| 60°F | Tomatoes | May 27 |
| 65°F | Warm-season grass seed | Jun 4 |
Nearby ZIP codes
Today's modelled average.
20408 59°F · 20591 59°F · 20530 59°F · 20560 59°F · 20204 59°F · 20535 59°F · 20004 59°F · 20260 59°F
More: crabgrass timing in District of Columbia · how accurate the model is.
Questions
- What is the soil temperature in ZIP code 20565 today?
- About 59°F on average in the top 4 inches (0–10 cm), low 53°F and high 63°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 12.3 km from the ZIP centre, not a reading from your yard.
- Is it time for crabgrass preventer in 20565?
- The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 23 and 55°F from Apr 13.
Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); 2025 Gazetteer ZIP Code Tabulation Areas (ZCTA) and 2024 cartographic boundary state outlines (U.S. Census Bureau).