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South Windham, Maine Weather

Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →

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

South Windham, ME
Thursday, June 4 at 6:26 AM
56
°
Clear
Feels like
55°
Humidity
87%
Wind
5 mph
Sunrise
5:01 AM
Sunset
8:18 PM
South Windham, ME
Hour by hour · 24h
24-Hour ForecastSouth Windham, ME: 24-hour forecast. Temperatures range from 56 to 83 degrees Fahrenheit.
L 56°H 83°
South Windham, ME
7-day forecast
  1. Today
    Jun 4
    Overcast
    83°55°
  2. Friday
    Jun 5
    Overcast
    83°59°
  3. Saturday
    Jun 6
    Drizzle
    41%
    0.03″
    83°60°
  4. Sunday
    Jun 7
    Showers
    69%
    0.26″
    70°56°-13°
  5. Monday
    Jun 8
    Overcast
    20%
    77°53°+7°
  6. Tuesday
    Jun 9
    Clear
    82°50°+5°
  7. Wednesday
    Jun 10
    Overcast
    78°56°-4°
South Windham, ME
Anemometer · 24h winds · from true
NESW
From · True
NW
317° · steady
Direction
NW
317°
Sustained
5
mph
Gust
9
mph
Peak 24h
15
avg 4
Beaufort · 2 · LIGHT BRZ
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 4 · pk 15 @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 154SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the nw.
South Windham, ME
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1014.1
-1.0 mb in 3h · falling · 29.95 inHg
Now
1014.1
mb
3h
-1.0
mb
12h
+0.2
mb
24h
-1.7
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10131016
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1015.81013.31013.5
−24h−18h−12h−6hnow
Pressure slipping through the change line — wetter air on the way.
South Windham, ME
Air quality
41
AQI
Good
-6 in 6h

PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust. AQI down 6 over the last 6 hours (steady decline since this morning).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 AM.

PM 2.5DRIVERGood
5.3μg/m³
PM 10Good
6μg/m³
NO₂Good
9μg/m³
OzoneGood
55μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.90
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
South Windham, ME
Sky cover · visibility · 24h
Cloud cover
7%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
30.6mi
UNLIMITED
126 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
06:26 UTC ·South Windham, ME · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
06:26 UTC ·South Windham, ME · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
South Windham, ME
Satellite · infrared · animated
South Windham, ME
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
South Windham, ME
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
8:27 AM
Sunrise
5:01 AM
Daylight
15h 17m
Sunset
8:18 PM
Civil dusk
12:55 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
South Windham, ME
The moon
Waning Gibbous
86% illuminated
Moonrise
3:22 AM
Moonset
12:27 PM
In sign
♑︎ Capricorn
South Windham, ME
Microseason
Jun 1–5

Fireflies rise from the lawn

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

South Windham at a glance

  • Today vs. normal: 15°F below the seasonal normal for this latitude
  • Last frost: May 8 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in South Windham

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.