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As of 16:34 EDT

Weather in South Portland, ME

89°Current weather

South Portland, Sunday, 9 August, 16:34

Clear. Feels like 93°. High 89°, low 68°.

Pressure29.83 inHg
Wind5 mph W
Humidity52%
Visibility6.2 mi
Dew point69°

10-day forecast for South Portland, ME: 54° to 89°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

89°
Best day: Sunday, August 9
71° · 2.51 in
Worst day: Sunday, August 16

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1088° / 66°0.11Rain
MorningPartly cloudy74°feels 74°
AfternoonOvercast85°feels 86°
EveningLight rain73°feels 74°
OvernightClear70°feels 69°
88 °Rain

South Portland, Monday, 10 August

Rain. High 88°, low 66°.

Pressure29.94 inHg
Wind10.2 mph S
Humidity44%
Visibility6.2 mi
Dew point56°
Tue, 1184° / 67°0Light rain
MorningClear71°feels 73°
AfternoonPartly cloudy82°feels 82°
EveningPartly cloudy75°feels 74°
OvernightOvercast68°feels 69°
84 °Light rain

South Portland, Tuesday, 11 August

Light rain. High 84°, low 67°.

Pressure29.71 inHg
Wind2.9 mph NW
Humidity50%
Visibility6.2 mi
Dew point61°
Wed, 1279° / 65°0Overcast
MorningOvercast71°feels 70°
AfternoonOvercast75°feels 75°
EveningOvercast71°feels 71°
OvernightPartly cloudy65°feels 65°
79 °Overcast

South Portland, Wednesday, 12 August

Overcast. High 79°, low 65°.

Pressure29.77 inHg
Wind9.4 mph W
Humidity50%
Visibility6.2 mi
Dew point55°
Thu, 1379° / 61°0.01Light rain
MorningMostly clear67°feels 67°
AfternoonOvercast77°feels 77°
EveningLight rain77°feels 76°
OvernightMostly clear63°feels 63°
79 °Light rain

South Portland, Thursday, 13 August

Light rain. High 79°, low 61°.

Pressure29.68 inHg
Wind5.5 mph NW
Humidity51%
Visibility6.2 mi
Dew point59°
Fri, 1474° / 58°0Clear
MorningClear62°feels 61°
AfternoonClear72°feels 70°
EveningClear72°feels 71°
OvernightClear61°feels 59°
74 °Clear

South Portland, Friday, 14 August

Clear. High 74°, low 58°.

Pressure29.97 inHg
Wind13.3 mph NW
Humidity37%
Visibility—
Dew point42°
Sat, 1576° / 54°0Partly cloudy
MorningPartly cloudy60°feels 58°
AfternoonPartly cloudy73°feels 72°
EveningPartly cloudy72°feels 71°
OvernightPartly cloudy60°feels 60°
76 °Partly cloudy

South Portland, Saturday, 15 August

Partly cloudy. High 76°, low 54°.

Pressure30.15 inHg
Wind8 mph S
Humidity36%
Visibility—
Dew point42°
Sun, 1671° / 58°2.51Heavy rain
MorningHeavy rain62°feels 60°
AfternoonHeavy rain70°feels 70°
EveningHeavy rain66°feels 67°
OvernightHeavy rain67°feels 68°
71 °Heavy rain

South Portland, Sunday, 16 August

Heavy rain. High 71°, low 58°.

Pressure30.00 inHg
Wind21.6 mph S
Humidity49%
Visibility—
Dew point49°
Mon, 1772° / 57°0.03Light rain
MorningLight rain59°feels 59°
AfternoonLight rain65°feels 64°
EveningLight rain70°feels 70°
OvernightLight rain61°feels 61°
72 °Light rain

South Portland, Monday, 17 August

Light rain. High 72°, low 57°.

Pressure29.77 inHg
Wind15.6 mph NW
Humidity70%
Visibility—
Dew point53°
Tue, 1877° / 60°0Overcast
MorningOvercast64°feels 64°
AfternoonOvercast74°feels 74°
EveningOvercast72°feels 72°
OvernightOvercast65°feels 65°
77 °Overcast

South Portland, Tuesday, 18 August

Overcast. High 77°, low 60°.

Pressure30.06 inHg
Wind9.2 mph S
Humidity58%
Visibility—
Dew point56°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in South Portland, ME around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.