Soilclock

Montgomery 68°F soil temperature

4 inches down: 69°F · 7-day change +7° · Measured at a sensor 13 miles away: 69°F

Updated Nov 4, 2026, 7:39 AM EST · Alabama

Montgomery, Alabama. Estimated 2-inch daily average for Nov 3, 7° above normal, falling to 59° by Nov 10.

What to do in Montgomery now

Montgomery is in warm-season grass country. Dates are typical for this spot, worked out from 23 years of weather at Montgomery Ap; each status uses this year's soil estimates.

Warm-season: bermudagrass, zoysia, St. Augustine, centipede, bahia

  • Crabgrass pre-emergent Closed Feb 17 Typical: Feb 5 – Feb 232-inch soil held 55°F for a week from Feb 17, so crabgrass was sprouting. Next window: about Feb 5 – Feb 23, 2027.
  • Seed or sod Wait for late spring Typical: Apr 2 – Oct 21Warm-season seed needs 4-inch soil at 65°F or more, and seedlings need the rest of summer to establish. Next window opens about Apr 2.
  • Fall pre-emergent (Poa annua) Germinating since Oct 20 Typical: By Oct 204-inch soil fell below 70°F on Oct 20, when annual bluegrass begins to sprout. A pre-emergent now only stops later flushes; plan to apply by about Oct 20 next year.
  • Dormancy and last feeding Expected about Nov 23 Typical: Around Nov 23Warm-season grass slows and browns once 4-inch soil stays under 55°F, typically Nov 23. Make the last nitrogen feeding at least a month before that.

The last 60 days and the week ahead

Montgomery soil is 7° warmer than normal for Nov 3, warmer than on 87% of those dates since 2005, and 15° warmer than a year ago.

The green line is our estimate of the daily average soil temperature 2 inches down, driven by temperatures at Montgomery Ap, 14.2 km from the city center. The dashed part runs the National Weather Service forecast through the same model. Hover or tap for any day.

2-inch soil, estimated From the NWS forecast Normal Normal range (8 years in 10)

40°50°60°70°80°90° 50°F55°F Nov 3 Sep 15Oct 1Oct 15Nov 1
Show the numbers
Date2-inch soil4-inch soilAir high / lowNormal (2 in)
Oct 2161°64°78° / 42°65°
Oct 2261°64°81° / 41°65°
Oct 2361°63°80° / 43°64°
Oct 2461°63°75° / 45°64°
Oct 2562°63°76° / 51°64°
Oct 2662°63°74° / 49°64°
Oct 2761°63°76° / 44°63°
Oct 2862°63°79° / 47°63°
Oct 2962°64°81° / 48°63°
Oct 3063°64°80° / 51°63°
Oct 3165°66°77° / 61°62°
Nov 165°66°72° / 61°62°
Nov 267°67°81° / 60°61°
Nov 368°69°75° / 68°61°
Nov 4 (forecast)69°70°81° / 64°61°
Nov 5 (forecast)69°70°79° / 58°61°
Nov 6 (forecast)67°68°77° / 50°61°
Nov 7 (forecast)64°66°71° / 43°61°
Nov 8 (forecast)61°64°68° / 42°61°
Nov 9 (forecast)60°62°70° / 42°60°
Nov 10 (forecast)59°61°71° / 43°60°
A low mat of bermudagrass with fine blades and seed heads
Bermudagrass, the warm-season grass behind most lawns from the Carolinas to Texas.

Which grass grows in Montgomery

With mild winters (January averages 48°F), most Montgomery lawns are warm-season grasses such as bermudagrass, St. Augustine, zoysia and centipede. They grow through summer and slow or go dormant in winter.

Montgomery soil through the year

Weekly 2-inch estimates for 2026 so far against 2025 and the normal for each week. The red lines mark 50°F, when crabgrass pre-emergent should be down, and 65°F, when warm-season seed sprouts well.

2026 2025 Normal (2005–2025) 8 years in 10

30°40°50°60°70°80°90° 50°F65°F 2026 JanFebMarAprMayJunJulAugSepOctNovDec

Normal by month

Month2 in4 inAir
Jan48°49°48°
Feb52°53°53°
Mar59°60°59°
Apr66°67°66°
May74°75°74°
Jun82°83°80°
Jul84°86°83°
Aug84°86°83°
Sep80°81°78°
Oct69°71°67°
Nov57°59°57°
Dec51°52°50°

Soil: average of our daily estimates, 2005–2025. Air: NOAA 1991–2020 normals for the station.

Typical lawn dates in Montgomery

Each date is when the soil estimate (or the air, for freezes) crossed the threshold, year by year since 2005. “Early” and “late” are the 10th and 90th percentile years, so 8 years in 10 fall between them.

EventEarly yearTypicalLate year2026
Last spring freeze (32°F) Feb 21Mar 14Mar 26 Mar 18
Crabgrass model: 250 growing degree days Jan 10Jan 14Jan 26 Jan 10
Pre-emergent window opens (2-inch soil 50°F) early FebFeb 5Feb 24 Feb 12
Crabgrass begins to sprout (2-inch soil 55°F) Feb 15Feb 23Mar 18 Feb 17
Cool-season lawns start growing (4-inch soil 55°F) Feb 7Feb 22Mar 12 Feb 17
Warm-season seeding opens (4-inch soil 65°F) Mar 16Apr 2Apr 17 Mar 9
Cool-season seeding opens (4-inch soil under 70°F) Oct 7Oct 21Oct 25 Oct 21
Cool-season seeding ends (4-inch soil under 55°F) Nov 15Nov 23Dec 5 not yet
Warm-season grass goes dormant (4-inch under 55°F) Nov 15Nov 23Dec 5 not yet
First fall freeze (32°F) Oct 26Nov 10Nov 23 not yet
Large crabgrass with its spreading finger-like seed heads
Large crabgrass in seed. Each plant can drop thousands of seeds that wait for warm spring soil.
A dug soil profile showing layers of silt, loam and clay
A soil profile. The top few inches warm and cool fastest; that is where seeds sprout.

Checked against a real sensor

Measured nearby: 69°F at 2 inches on Nov 3, at the USDA SCAN site “Broad Acres”, 13 miles away.

Our estimate for Montgomery on Nov 3 is 68°F; the sensor read 69°F at 4 inches against our 69°F. Sensor sites sit in open, unwatered ground outside town, so they often run a few degrees apart from city lawns; use them as a check on the trend.

There is no soil sensor in most cities, so we estimate it. Shallow soil follows air temperature with a lag of a few days, and runs a little warmer than the air in fall. We fitted that relationship to 190 USDA soil-sensor stations; on years held out of the fit, the estimate was off by 3.3°F on an average day, and it put the spring 55°F date within a median of 3 days. Read the methodology.

Weather: RCC ACIS station KMGM (MONTGOMERY AP), daily data since 1948. Forecast: National Weather Service, BMX office, issued Nov 4, 2026, 6:06 AM EST. Last observed day: Nov 3, 2026.

Montgomery questions

Botanical line drawing of slender crabgrass from 1913
Slender crabgrass, from Britton and Brown, An Illustrated Flora of the Northern United States, 1913.

What is the soil temperature in Montgomery today? Our estimate for Nov 3 is 68°F at 2 inches and 69°F at 4 inches, as a daily average. Early-morning soil runs a few degrees cooler than that, and afternoon soil warmer.

When should I put down crabgrass pre-emergent in Montgomery? Apply when 2-inch soil holds about 50°F and before it holds 55°F. That has typically been Feb 5 to Feb 23 in Montgomery. For 2026 the window closed on Feb 17.

When can I seed bermudagrass in Montgomery? Wait for late spring. Warm-season seed needs 4-inch soil at 65°F or more, and seedlings need the rest of summer to establish. Next window opens about Apr 2.

Is it too late to fertilize in Montgomery? Expected about Nov 23. Warm-season grass slows and browns once 4-inch soil stays under 55°F, typically Nov 23. Make the last nitrogen feeding at least a month before that.

When is the last frost in Montgomery? The last 32°F night of spring has typically come around Mar 14, and as late as Mar 26 in 1 year in 10. The first fall freeze typically arrives around Nov 10.

Why 2 inches and 4 inches? Crabgrass and most weed seeds sprout in the top inch or two, so pre-emergent timing follows 2-inch soil. Grass seed and roots respond to the slightly steadier soil at about 4 inches.

How accurate is this? It is a model, not a probe in your yard. Expect about 3–4°F of difference on a given day; shade, slope, mulch and irrigation all move real soil. The dates and trends are more reliable than any single day.

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