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Soil Temperature in Wasilla, AK

Current soil temperature: 53°F at the 2-inch depth, 1.1°F below the historical average for this date. Measured July 3, 2026 at the Kenai 29 ENE NOAA station, 64 miles away. Falling 2.6°F over the last 7 days.

SOIL TEMPERATURE · 2" DEPTH · JULY 3, 2026

53

1.1 degrees below historical average of 54 degrees Fahrenheit Falling 2.6°F over 7 days
2-inch depth (5 cm)
Confidence: MediumStation is 63.9 mi from your location, so readings may not exactly match your conditions
Last reading: July 3, 2026 (updated 2 days ago). NOAA sensors publish with about a 1-day lag.
Advanced options (year, as-of date)

Recommendations

NOT YET

No time-sensitive lawn task right now

There's no seasonal lawn-care action due for your area today. See your city's full lawn-care schedule for what's coming up, or use the current soil conditions and chart below.

When to come back

The recommendation window typically opens when the 3-day soil temperature average reaches the trigger temperature. Bookmark this page and check back in a week.

Source: Kenai 29 ENE station

Daily Soil Temperature

Depth: 2" Last 12 Months

Showing chart

Nearest USDA Station

Kenai 29 ENE (Site USCRN-26563), AK

  • Distance: 64 miles from Wasilla, AK
  • Elevation: 340 ft
  • Coordinates: 60.7200, -150.4500

NOAA USCRN soil temperature observations.

The 2-inch reading first crossed 50°F on Sep 19, when the pre-emergent window opened.
Date2" °FΔ 2"4" °F8" °F20" °F40" °F
Jul 353.2-0.251.649.846.845.7
Jul 253.4-0.451.449.846.845.7
Jul 153.8+0.451.449.846.845.5
Jun 3053.4-0.451.850.046.945.7
Jun 2953.8-1.452.350.546.945.7
Jun 2855.2-0.653.150.746.845.7
Jun 2755.853.450.746.645.7

Soil temperature by depth

53.2°F
2 in · germination
51.6°F
4 in · root zone
49.8°F
8 in · deeper trend
46.8°F
20 in · deep soil
45.7°F
40 in · frost depth

Check the current soil temp at your location, or open the live US soil temperature mapto see today’s ground readings from 380+ USDA and NOAA stations across the country. Enter your ZIP code for live soil temperatures near you, plus planting windows, pre-emergent timing, fertilizer guidance, and disease watch alerts based on your nearest USDA monitoring station.

How Soil Temperature Drives Lawn Timing

About the Data

Readings refresh nightly from the USDA-NRCS Soil Climate Analysis Network and the NOAA US Climate Reference Network (USCRN). Readings are measured by in-ground sensors at federal monitoring stations, not estimated from weather models; see how we measure. Planting windows are derived from multi-year climatology overlaid with NOAA 1991–2020 frost normals. Recommendation cards evaluate current soil conditions against research-backed thresholds from university extension sources. Check back regularly as conditions change. The guidance updates with every new reading.

Data sources: USDA-NRCS SCAN network, NOAA USCRN, NOAA 1991–2020 climate normals, and localized frost climatology via Soil Temps analytics.

Browse soil temperature data by state, over 2,000 cities with current readings, hardiness zones, and planting windows.

Explore the US Soil Temperature Map for a live station view of readings across the country.

Soil Conditions in Wasilla, AK

USDA Growing Zone

Zone 4B

Average First Frost

October 22

Elevation

340 ft

Cool-Season Viability

Cool-season core

Ideal conditions for cool-season grass. As of July 5, the 2-inch soil temperature is tracking the 10-year normal for this date. The spring seeding window is open now. 2-inch soil has held warm enough for reliable establishment. With an average first frost of October 22 and an elevation of 340 feet, your fall seeding window timing is shaped by both soil temperature trends and frost risk. Zone 4b winters mean the soil freezes hard enough that early-spring readings lag the air by several weeks. Readings come from the Kenai 29 ENE NOAA research-grade station, 64 mi away.

For established lawns and gardens, the 4 inch soil temperature is a more useful reading than the surface. This 4-inch root-zone depth changes more slowly than the 2-inch surface layer, so it is a steadier signal for timing fertilizer, aeration, and weed control. The depths your nearest station reports are shown above; stations in the federal network typically report 2, 4, 8, 20, and 40 inches, while modeled estimates for areas far from a station cover fewer depths.

Soil Temperature FAQ

What soil temperature is needed to plant grass seed?

Cool-season grasses like fescue and bluegrass germinate best when soil at 2 inches stays between 50–65°F for several consecutive days. Warm-season grasses like Bermuda and Zoysia need soil temperatures of 65–70°F or higher before seeding.

How deep should I measure soil temperature?

Use 2 inches for germination decisions, since that is where seeds sit. Use the 4 inch soil temperature for established lawn and garden timing: it reads the root zone, changes more slowly than the surface, and is the depth most fertilizer, aeration, and disease guidance references. The 8 inch reading shows deeper root-zone trend. The 20 and 40 inch readings track deep soil and frost depth where federal stations report them.

What does the 4 inch soil temperature mean?

The 4 inch soil temperature shows conditions deeper in the root zone than the 2 inch germination reading. It is commonly used for established lawn, garden, and agricultural timing because it changes more slowly than the surface layer, so it is a steadier signal for fertilizer, aeration, and weed-control decisions.

What’s the difference between soil temperature and air temperature?

Soil changes temperature much more slowly than air due to thermal mass. A warm afternoon does not mean the ground is warm. Soil temperature lags air temperature by days or weeks, making it a more reliable indicator of when biological processes like germination actually begin.

When should I apply pre-emergent based on soil temperature?

Apply pre-emergent herbicide when soil at 2 inches reaches 55°F for several consecutive days. This is the threshold where crabgrass and other summer annual weeds begin germinating. Applying after this point reduces effectiveness significantly.

What is a USDA Plant Hardiness Zone?

USDA Plant Hardiness Zones divide the US into 13 zones based on average annual extreme minimum temperature. They help determine which plants and grasses can survive winter in your area. Zone numbers increase from coldest (1a) to warmest (13b).

Grass seed germination

Your soil near Wasilla, AK: 53°F at 2 inches, as of July 3, 2026.

Grass speciesGermination optimumDaysRight now
Kentucky bluegrass5986°F14-30Germinates slowly
Tall fescue6886°F7-12Germinates slowly
Perennial ryegrass6886°F5-10Germinates slowly
Fine fescue5977°F7-14Germinates slowly
Bermudagrass7585°F10-30Too cold

This week’s watering for Wasilla, AK

Skip watering this week — rain covers it

Weekly target1 inat 53°F soil, for cool-season grass
Expected rain1.25 inover the next 7 days
You supply0 inno irrigation needed this week

The weekly target includes rainfall, so irrigation only covers the deficit. Water deeply and infrequently rather than a little every day: shallow daily watering builds shallow roots and invites disease. Rainfall is a modeled forecast estimate for this location.

Lawn disease risk

The 7-day forecast near Wasilla, AK favors active disease pressure. These diseases are the ones to watch now. Based on a modeled weather estimate for this location.

DiseaseRiskWhy now
Dollar spot (Clarireedia jacksonii)Favorable7 of the next 7 days sit in its 60-85°F window; worse on underfed turf. Keep adequate nitrogen and remove morning dew (early mowing or dragging a hose) to shorten the wetness window.

Growing degree days near Wasilla, AK

93GDD (base 50°F) since January 1, through July 3
53°Fcurrent soil temperature

Growing degree days measure the heat a lawn has accumulated this year: each day adds the amount its average temperature runs above 50°F, the point where cool-season growth and most pests get going. Turf managers use the running total to time crabgrass pre-emergent, annual bluegrass seedhead suppression, and grub control. Pairing it with the current soil temperature shows both the season's heat so far and what the ground is doing right now. Measured at the NOAA station Kenai 29 ENE.

Nearby Soil Temperature Data

See soil temperatures across Alaska

See monthly soil temperature history for Wasilla, AK

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