Mobile, Alabama Weather

Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →

Mobile weather forecast — hour by hour, 7-day outlook, NOAA radar

Mobile, AL
Monday, September 21 at 9:21 AM
81
°
Clear
Feels like
92°
Humidity
88%
Wind
1 mph
Sunrise
6:40 AM
Sunset
6:50 PM

Conditions updated 9:21 AM CDT · Open-Meteo

Mobile, AL
Hour by hour · 24h
24-Hour ForecastMobile, AL: 24-hour forecast. Temperatures range from 72 to 91 degrees Fahrenheit.
L 72°H 91°
Mobile, AL
7-day forecast
  1. Today
    Sep 21
    Clear
    13%
    91°73°
  2. Tuesday
    Sep 22
    Overcast
    12%
    93°72°+2°
  3. Wednesday
    Sep 23
    Light Drizzle
    10%
    95°76°+2°
  4. Thursday
    Sep 24
    Light Drizzle
    12%
    93°78°-2°
  5. Friday
    Sep 25
    Overcast
    88°71°-5°
  6. Saturday
    Sep 26
    Overcast
    87°73°-1°
  7. Sunday
    Sep 27
    Overcast
    88°72°+1°
Mobile, AL
Anemometer · 24h winds · from true
NESW
From · True
W
270° · backing 90°
Direction
W
270°
Sustained
1
mph
Gust
6
mph
Peak 24h
18
avg 3 mph
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 3 mph · pk 18 mph @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 183SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 90° from the w.
Mobile, AL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.9
+0.6 mb in 3h · rising · 29.94 inHg
Now
1013.9
mb
3h
+0.6
mb
12h
0.0
mb
24h
-1.9
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10111016
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1016.01011.21014.1
Air sits at the threshold — small shifts decide the day.
Air quality now AQI 49 · Good
Mobile, AL
Air quality
49
AQI
Good
0 in 6hPeak ~84 @ 6 PM

AQI 49 (Good), driven by PM2.5. AQI projected to peak at 84 around 6 PM, then easing toward 75 by 6 hours out. PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.99 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.

PM 2.5DRIVERGood
9.8μg/m³
PM 10Good
10μg/m³
NO₂Good
6μg/m³
OzoneModerate
93μg/m³
UV IndexLow
2.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 44 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 23.

Present
AQI 44
UV peak
4.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 23

PM × Wind × Precip

PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.99 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.99
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Mobile, AL
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
9.3mi
GOOD
26 mi0 mi−24h−18h−12h−6hnow
Mobile, AL
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:17 AM
Sunrise
6:40 AM
Daylight
12h 10m
Sunset
6:50 PM
Civil dusk
7:16 PM
Planting note
September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
Mobile, AL
The moon
Waxing Gibbous
75% illuminated
Moonrise
4:01 PM
Moonset
1:40 AM
In sign
♑︎ Capricorn
Mobile, AL
Microseason
Sep 21–25

Thunder quiets the land

weather
Jan 172% of the yearDec 31

Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →

Mobile at a glance

  • Today vs. normal: Today averages 82°F (high 91°F, low 73°F), 4°F above the 78°F normal for Sep 21
  • Last frost: February 21 (1991–2020 median, NOAA station 7 km away)
  • Microseason: Sep 21–25
  • Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash

16-Day Forecast — Mobile

  1. Mon91°73°13%
  2. Tue93°72°12%
  3. Wed95°76°10%
  4. Thu93°78°12%
  5. Fri88°71°5%
  6. Sat87°73°6%
  7. Sun88°72°6%
  8. Mon87°72°8%
  9. Tue85°75°34%
  10. Wed79°71°30%
  11. Thu77°71°16%
  12. Fri87°74°32%
  13. Sat76°73°36%
  14. Sun83°75°36%
  15. Mon75°65°29%
  16. Tue79°57°27%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Mobile

Interactive wind and temperature map centered on Mobile — it loads in your browser. Open the full weather map.

Right now in the garden

Peak growing season

As of September 21, the growing season is at its peak — the first frost (around December 6) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 13 to September 27 here. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest beans, summer squash, and winter squash.

SPC Convective Outlook

Storm Prediction Center — Mobile

SPC includes Mobile in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook.

Sun & seasons in Mobile

Mobile sits in Mobile County, where the year’s longest day runs 14h 8m of daylight and its shortest just 10h 9m — a swing of +3h 59m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Birmingham, the state’s largest city, lies about 211 miles to the NNE. The nearest town Mobile tracks is Loxley, roughly 22 miles to the E.

Air quality in Mobile

Air quality in Mobile’s county has trended cleaner since 2020; its cleanest year on record was 2025 (median AQI 43). See the full air-quality history for Mobile.

Planting calendar

MonthPlantHarvest
Januarylettuce, peas, spinach, radishes
Februarylettuce, peas, spinach, radishesradishes
Marchlettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Apriltomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Maysquashlettuce, peas, tomatoes, peppers, beans, summer squash, garlic
Junesquashtomatoes, peppers, beans, summer squash, winter squash
Julybeans, squashtomatoes, peppers, summer squash, winter squash
Augusttomatoes, peppers, beans, squashsummer squash, winter squash
Septemberbeans, squash, fall brassicas, carrotsbeans, summer squash, winter squash
Octobergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash
Novembergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Decemberfall brassicas, carrots

A year in weather

In Mobile, August runs warmest near 84°F and January coldest around 52°F, while August is the wettest month (7.1 inches) and February the driest (3.8 inches).

MonthMean tempPrecipRainy days
January52°5.26
February56°3.85
March62°5.15
April68°4.95
May76°4.45
June82°5.88
July84°6.69
August84°7.19
September80°4.56
October71°3.84
November61°4.14
December55°5.37

Regional context

Similar climates Prichard, AL, Chickasaw, AL, Tillmans Corner, AL

In Mobile, NOAA NCEI 1991-2020 normals put January near 52°F and July near 84°F — a 31°F seasonal arc — with about 60.5 inches of precipitation over 72 rainy or snowy days.

Rainfall in Mobile splits evenly between the seasons: August tops out at 7.1 inches over 8.8 rainy days, and February logs 3.8 inches across 5.4 — neither half of Mobile's year dominates. That lines Mobile up with places like Prichard, AL, Chickasaw, AL and Tillmans Corner, AL, fed by overlapping storm tracks.

Around February 21, Mobile sheds its freezing nights — lettuce, chard, arugula, and mustard greens go into Mobile's beds. Heat-demanding starts go out a fortnight on in Mobile, after the soil warms and cold snaps clear. The season ends by December 6 in Mobile, once hard frosts set back in. That date is a median: Mobile freezes sooner in half of years.

Similar climates: Prichard, AL, Chickasaw, AL, Tillmans Corner, AL, Theodore, AL, Semmes, AL.

Frequently asked

When does it freeze in Mobile?
Mobile's last spring frost lands near February 21, and in Mobile the first fall frost follows around December 6.
What is the rainy season in Mobile?
Rainfall in Mobile peaks in August near 7.1 inches, out of about 61 inches annually.
What is the warmest month in Mobile?
On average August tops the year in Mobile at about 84°F.
What is the coldest month in Mobile?
The coldest stretch in Mobile falls in January, around 52°F on average.
When can I start a vegetable garden in Mobile?
In Mobile, sow peas and hardy greens around February 21; Mobile's tomatoes and peppers wait two weeks more.
How many rainy days does Mobile get?
Mobile records around 72 days of measurable precipitation annually.
What hardiness zone is Mobile?
With January around 52°F, Mobile's zone reflects that minimum — the USDA ZIP map confirms Mobile's band.
What is the 10-day forecast for Mobile?
Mobile's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Mobile?
See this week's day-by-day rain chances for Mobile in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Mobile?
Current conditions for Mobile and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Mobile forecast updated?
The Mobile forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Mobile?
Today's sunrise and sunset times for Mobile are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Mobile?
The next few days in Mobile's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Mobile sits at 30.7°N; its climate zone is humid subtropical (Köppen approximation).

ZIP codes in Mobile

  • 36582
  • 36601
  • 36602
  • 36603
  • 36604
  • 36605
  • 36606
  • 36607
  • 36608
  • 36609
  • 36610
  • 36611
  • 36612
  • 36615
  • 36616
  • 36617
  • 36618
  • 36619
  • 36628
  • 36633
  • 36640
  • 36644
  • 36652
  • 36660
  • 36663
  • 36670
  • 36675
  • 36688
  • 36689
  • 36691
  • 36693
  • 36695

Climate normals: NOAA NCEI 1991–2020 normals from the nearest station. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.