Observed 8:20 PM EDT at KPWM

South Windham, ME weather

Clear and 45°7°.

Mostly agree

Now 45°7°

Clear

Wind: Calm; Light through 8 AM
Dew point: 37°3°; Comfortable · down to 29°−2° by 5 AM (dry)
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 29Good; Main pollutant: Ozone
Pressure: 30.5 inHg1033 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (43°6° then, 44°7° now)

Good hours for

Below freezing tonight 3–9 AM (low 29°−2°)
Low 29°−2° tonight at 5 AM
Above 50°10° tomorrow by 11 AM
High 62°17° tomorrow at 2 PM
Below 50°10° tomorrow night after 7 PM

TonightDown to 29°−2° by 5 AM · freezing, low 29°−2° · Clear
Tomorrow morningUp to 53°12° by 11 AM · freezing, low 30°−1° · Clear
Tomorrow afternoonUp to 62°17° by 2 PM · Clear
Tomorrow nightDown to 35°2° by 5 AM · Clear
Monday morningUp to 54°12° by 11 AM · Partly cloudy
Monday afternoonUp to 67°19° by 3 PM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 8p	Clear	42°6° (likely 40°4° to 43°6°)	42°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	73%	0%	0
Sat 9p	Clear	40°4° (likely 38°3° to 42°6°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	79%	0%	0
Sat 10p	Clear	38°3° (likely 37°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	0%	0
Sat 11p	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	82%	2%	0
Sun 12a	Clear	36°2° (likely 36°2° to 44°7°)	36°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	85%	2%	0
Sun 1a	Clear	35°2° (likely 35°2° to 40°4°)	35°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	85%	0%	0
Sun 2a	Clear	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	92%	3%	0
Sun 3a	Clear	31°−1° (likely 31°−1° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	11%	0
Sun 4a	Clear	31°−1° (likely 31°−1° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	12%	0
Sun 5a	Clear	29°−2° (likely 29°−2° to 37°3°)	29°−2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	12%	0
Sun 6a	Clear	30°−1° (likely 30°−1° to 37°3°)	30°−1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	14%	0
Sun 7a	Sunny	30°−1° (likely 30°−1° to 37°3°)	30°−1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	15%	0
Sun 8a	Sunny	31°−1° (likely 31°−1° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	14%	0
Sun 9a	Sunny	40°4° (likely 40°4° to 42°6°)	40°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	82%	5%	1
Sun 10a	Sunny	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 5 mph8 km/h	65%	2%	2
Sun 11a	Sunny	53°12° (likely 53°12° to 57°14°)	53°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	50%	0%	3
Sun 12p	Sunny	57°14° (likely 57°14° to 61°16°)	57°14°	0%	0 mph0 km/h, gusts 6 mph10 km/h	43%	0%	4
Sun 1p	Sunny	60°16° (likely 59°15° to 63°17°)	60°16°	0%	0 mph0 km/h, gusts 7 mph12 km/h	39%	0%	4
Sun 2p	Sunny	62°17° (likely 60°16° to 65°18°)	62°17°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	35%	0%	4
Sun 3p	Sunny	62°17° (likely 60°16° to 66°19°)	62°17°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	38%	0%	3
Sun 4p	Sunny	60°16° (likely 57°14° to 66°19°)	60°16°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	46%	0%	2
Sun 5p	Sunny	57°14° (likely 54°12° to 59°15°)	57°14°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	55%	0%	1
Sun 6p	Clear	53°12° (likely 48°9° to 53°12°)	53°12°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	61%	0%	0
Sun 7p	Clear	49°9° (likely 45°7° to 49°9°)	48°9°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	71%	0%	0
Sun 8p	Clear	44°7° (likely 43°6° to 46°8°)	42°6°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	82%	0%	0
Sun 9p	Clear	43°6° (likely 41°5° to 45°7°)	41°5°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	82%	0%	0
Sun 10p	Clear	42°6° (likely 40°4° to 44°7°)	42°6°	0%	0 mph0 km/h, gusts 9 mph14 km/h	79%	0%	0
Sun 11p	Clear	41°5° (likely 38°3° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 9 mph14 km/h	79%	40%	0
Mon 12a	Clear	40°4° (likely 37°3° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	82%	41%	0
Mon 1a	Clear	39°4° (likely 36°2° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 9 mph14 km/h	82%	40%	0
Mon 2a	Clear	37°3° (likely 36°2° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 8 mph13 km/h	85%	43%	0
Mon 3a	Mostly clear	37°3° (likely 35°2° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 8 mph12 km/h	85%	27%	0
Mon 4a	Mostly clear	36°2° (likely 34°1° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	89%	58%	0
Mon 5a	Mostly clear	35°2° (likely 35°2° to 39°4°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	25%	0
Mon 6a	Mostly clear	35°2° (likely 34°1° to 39°4°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	42%	0
Mon 7a	Mostly sunny	35°2° (likely 34°1° to 38°3°)	35°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	37%	0
Mon 8a	Mostly sunny	35°2° (likely 34°1° to 39°4°)	35°2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	92%	44%	0
Mon 9a	Mostly sunny	41°5° (likely 40°4° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	85%	57%	1
Mon 10a	Mostly sunny	47°8° (likely 47°8° to 53°12°)	47°8°	0%	0 mph0 km/h, gusts 8 mph14 km/h	74%	38%	2
Mon 11a	Mostly sunny	54°12° (likely 54°12° to 61°16°)	54°12°	0%	0 mph0 km/h, gusts 9 mph14 km/h	61%	30%	3
Mon 12p	Mostly sunny	59°15° (likely 58°14° to 66°19°)	59°15°	0%	0 mph0 km/h, gusts 11 mph18 km/h	53%	31%	4
Mon 1p	Mostly sunny	64°18° (likely 61°16° to 67°19°)	64°18°	0%	0 mph0 km/h, gusts 10 mph16 km/h	45%	42%	4
Mon 2p	Mostly sunny	66°19° (likely 61°16° to 68°20°)	66°19°	0%	0 mph0 km/h, gusts 9 mph14 km/h	43%	45%	4
Mon 3p	Mostly sunny	67°19° (likely 60°16° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 4 mph6 km/h	45%	68%	1
Mon 4p	Mostly sunny	66°19° (likely 59°15° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 3 mph4 km/h	50%	69%	1
Mon 5p	Mostly sunny	63°17° (likely 57°14° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 3 mph5 km/h	58%	59%	1
Mon 6p	Mostly clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	5 mph8 km/h from W, gusts 4 mph7 km/h	67%	61%	0
Mon 7p	Mostly clear	55°13° (likely 52°11° to 56°13°)	55°13°	0%	5 mph8 km/h from NW, gusts 7 mph11 km/h	74%	60%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 58°14°, low 28°−2°. Typical 57°14° / 38°3°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 29°−2°
  Dry
Official NWS forecast
Tonight: Clear, with a low around 28. Northwest wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–60°16°
Low, likely
26°−3°–32°0°
Typical high / low
57°14° / 38°3°
Wind
5 mph8 km/h, gusts 12 mph20 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 63°17°, low 34°1°. Typical 56°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 35°2°
  Dry
Official NWS forecast
Day: Sunny. High near 63, with temperatures falling to around 57 in the afternoon. South wind 0 to 5 mph.
Night: Mostly clear, with a low around 34. Southwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–66°19°
Low, likely
33°1°–36°2°
Typical high / low
56°13° / 38°3°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 67°19°, low 33°1°. Typical 56°13° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Day: Sunny, with a high near 67. West wind around 0 mph.
Night: Mostly clear, with a low around 33. Northwest wind 5 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
33°1°–38°3°
Typical high / low
56°13° / 38°3°
Wind
10 mph16 km/h, gusts 18 mph28 km/h
UV peak
4
Tuesday, Oct 27. Sunny. High 51°11°, low 23°−5°. Typical 56°13° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 31°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 51.
Night: Clear, with a low around 23.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
49°9°–51°11°
Low, likely
23°−5°–38°3°
Typical high / low
56°13° / 38°3°
Wind
11 mph18 km/h, gusts 26 mph42 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 52°11°, low 28°−2°. Typical 55°13° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 52.
Night: Mostly clear, with a low around 28.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–52°11°
Low, likely
27°−3°–33°1°
Typical high / low
55°13° / 37°3°
Wind
8 mph12 km/h, gusts 19 mph30 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 63°17°, low 43°6°. Typical 55°13° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 63.
Night: Mostly clear, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–67°19°
Low, likely
36°2°–43°6°
Typical high / low
55°13° / 37°3°
Wind
10 mph16 km/h, gusts 31 mph50 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 66°19°, low 38°3°. Typical 54°12° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Partly cloudy, with a low around 38.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–71°22°
Low, likely
38°3°–50°10°
Typical high / low
54°12° / 37°3°
Wind
9 mph15 km/h, gusts 30 mph49 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 61°16°, low 41°5°. Typical 54°12° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–61°16°
Low, likely
40°4°–43°6°
Typical high / low
54°12° / 36°2°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 62°17°, low 44°7°. Typical 54°12° / 36°2°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 55°13°
  30% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–66°19°
Low, likely
38°3°–50°10°
Typical high / low
54°12° / 36°2°
Wind
10 mph16 km/h, gusts 27 mph44 km/h
UV peak
3
Monday, Nov 2. Showers. High 63°17°, low 54°12°. Typical 53°12° / 36°2°. Rain 0.25 in6.4 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 58°14°
  30% chance · 0.15 in3.8 mm
2. Afternoon
  noon–6 PM
  Rain, 63°17°
  30% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  30% chance · 0.06 in1.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–66°19°
Low, likely
50°10°–60°16°
Typical high / low
53°12° / 36°2°
Wind
14 mph22 km/h, gusts 34 mph54 km/h

10 days15 days30 days

The outlook

Today
Dry, high 58°, low 28°.
Tomorrow
Dry, high 63°, low 34°, warming up.
Monday
Dry, high 67°, low 33°, warming up.
Rest of week
Mostly dry, highs 51–66°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (GYX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Atlantic Coast at Portland (IN MLLW)

10 mi

Below flood stage

Level: 4.3 ft

Forecast peak 11.1 ft Tue 12 PM, action stage

Reading from Sat 7:06 PM · NWS gauge page

Presumpscot River above West Falmouth

6.0 mi

Below flood stage

Level: 2.1 ft
Flow: 271 cfs

Reading from Sat 7 PM · NWS gauge page

Saco River at West Buxton

10 mi

Below flood stage

Flow: 1,252 cfs

Reading from Sat 7 PM · NWS gauge page

Royal River at Yarmouth

13 mi

Below flood stage

Level: 0.9 ft
Flow: 24 cfs

Reading from Sat 6:30 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 70% less heating than a typical week.

This week 38Typical 129

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 22 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Sun, 1:00 PM–4:00 PM

Good stretch to open the windows.

Is this typical?

Portland Jetport · official normals 1991–2020 · records 1874–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

−5°−3°MonOct 19
+2°+1°TueOct 20
+1°±0°WedOct 21
+4°+2°ThuOct 22
−4°−2°FriOct 23
—SatOct 24
—SunOct 25

South Windham weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 36 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 5:03–6:01 PM; Morning 6:49–7:47 AM
Blue hour: 6:01–6:13 PM; Morning 6:38–6:49 AM; first light 6:38 AM

Stars tonight? Fair

Clear 8:47 PM–6:39 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:15 AM · rises 4:41 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from South Windham. The highest point on the skyline is about 6,200 ft, 58 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

South Windham, ME weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Atlantic Coast at Portland (IN MLLW)

Presumpscot River above West Falmouth

Saco River at West Buxton

Royal River at Yarmouth

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon