Weather Tomorrow

Weather Tomorrow in South Portland, ME

Beach Hazards StatementUntil May 23, 2:45 PM

Beach Hazards Statement issued May 23 at 2:38AM EDT until May 23 at 8:00PM EDT by NWS Gray ME

A Beach Hazards Statement is issued on days when a significant number of boats and paddlecraft are expected to be out on the water and when warm air temperatures may cause people to underestimate the danger of the cold water. Paddle smart from the start. Always wear your life jacket. Be aware of wind conditions, tides, and localized currents. All boaters and paddlers are highly encouraged to contact the U.S. Coast Guard Auxiliary or U.S. Power Squadrons at www.wow.uscgaux/i_want_a_usc/index.php to receive a FREE vessel check. This is a convenient, no consequence way to ensure your vessel is outfitted with all required safety equipment. Additionally, please label your paddlecraft with your contact information (IF FOUND Sticker) in the event it is found adrift on the water.

Special Weather StatementUntil May 23, 4:00 PM

Special Weather Statement issued May 23 at 2:28AM EDT by NWS Gray ME

Sunday, May 24, 2026

57°Low 48°FColdHot
Cloudy

Precip chance

98%

Wind

0-10 mph

Humidity

74%

Feels like

55–50°F

Rain forecast

Rain likely starts around 6 PM and may continue until 3 AM. Peak chance: 98% around 3 AM.

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

48°Temperature trend57°
TimeTempConditionRain %Wind
4 AM☽53°FCloudy
0%
0 mph
5 AM☽52°FCloudy
0%
0 mph
6 AM☽51°FCloudy
0%
0 mph
7 AM☽50°FCloudy
0%
0 mph
8 AM☽50°FCloudy
1%
0 mph
9 AM☽48°FCloudy
1%
0 mph
10 AM50°FCloudy
1%
0 mph
11 AM51°FCloudy
2%
5 mph SE
12 PM54°FCloudy
2%
5 mph SE
1 PM55°FCloudy
4%
5 mph SE
2 PM56°FCloudy
6%
5 mph SE
3 PM57°FCloudy
9%
5 mph SE
4 PM56°FSlight Chance Rain Showers
21%
10 mph SE
5 PM56°FChance Rain Showers
33%
10 mph SE
6 PM56°FChance Rain Showers
45%
10 mph SE
7 PM56°FRain Showers Likely
59%
10 mph SE
8 PM55°FRain Showers Likely
72%
10 mph SE
9 PM54°FLight Rain
86%
10 mph SE
10 PM☽54°FLight Rain
86%
10 mph SE
11 PM☽52°FLight Rain
86%
10 mph E
12 AM☽52°FLight Rain
86%
10 mph E
1 AM☽52°FLight Rain
90%
10 mph E
2 AM☽52°FLight Rain
94%
10 mph E
3 AM☽51°FLight Rain
98%
10 mph E

Precipitation Timeline

100%
50%
98%
4a10a4p10p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Mild temperatures — a light layer should do

Clothing

  • • T-shirt or long-sleeve
  • • Light jacket (for morning/evening)

Footwear

Water-resistant shoes

Accessories

  • • Umbrella

Conditions

High: 57°F

Low: 48°F

Wind: 0-10 mph

Rain: 98%

Rain expected around 6 PM — carry an umbrella.

Best Time to Be Outside Tomorrow

2 PM – 3 PM84

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

4a10a4p10p

More for South Portland, ME

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Frequently Asked Questions

What is the weather forecast for tomorrow in South Portland, ME?
Tomorrow in South Portland: High of 57°F, Low of 48°F. Cloudy with 98% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in South Portland?
Rain likely starts around 6 PM and may continue until 3 AM. Peak chance: 98% around 3 AM.
What should I wear tomorrow in South Portland?
With a high of 57°F and low of 48°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.