Weather Tomorrow in South Portland, ME
Special Weather StatementUntil May 25, 2:00 AM
Special Weather Statement issued May 24 at 12:25PM EDT by NWS Gray ME
Monday, May 25, 2026
Rain
Precip chance
100%
Wind
0-5 mph
Humidity
86%
Feels like
68–52°F
Rain forecast
Rain likely starts around 4 AM and may continue until 5 PM. Peak chance: 100% around 11 AM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
50°Temperature trend70°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 4 AM☽ | 52°F | Rain Showers | 94% | 5 mph E | ||
| 5 AM☽ | 52°F | Rain Showers | 86% | 5 mph E | ||
| 6 AM☽ | 52°F | Rain Showers | 89% | 5 mph E | ||
| 7 AM☽ | 50°F | Rain Showers | 93% | 5 mph E | ||
| 8 AM☽ | 52°F | Rain Showers | 93% | 5 mph E | ||
| 9 AM☽ | 52°F | Rain Showers | 88% | 5 mph E | ||
| 10 AM | 52°F | Rain Showers | 84% | 5 mph E | ||
| 11 AM | 54°F | Rain Showers | 100% | 5 mph E | ||
| 12 PM | 56°F | Patchy Fog | 92% | 5 mph E | ||
| 1 PM | 57°F | Patchy Fog | 98% | 5 mph SE | ||
| 2 PM | 58°F | Patchy Fog | 99% | 0 mph | ||
| 3 PM | 59°F | Rain Showers Likely | 74% | 5 mph S | ||
| 4 PM | 60°F | Chance Rain Showers | 53% | 0 mph | ||
| 5 PM | 61°F | Chance Rain Showers | 42% | 5 mph NW | ||
| 6 PM | 64°F | Mostly Cloudy | 12% | 5 mph W | ||
| 7 PM | 66°F | Partly Sunny | 6% | 5 mph W | ||
| 8 PM | 68°F | Partly Sunny | 2% | 5 mph W | ||
| 9 PM | 70°F | Mostly Sunny | 1% | 5 mph W | ||
| 10 PM☽ | 69°F | Partly Cloudy | 0% | 0 mph | ||
| 11 PM☽ | 68°F | Partly Cloudy | 0% | 0 mph | ||
| 12 AM☽ | 65°F | Partly Cloudy | 0% | 0 mph | ||
| 1 AM☽ | 61°F | Partly Cloudy | 0% | 0 mph | ||
| 2 AM☽ | 60°F | Partly Cloudy | 0% | 0 mph | ||
| 3 AM☽ | 59°F | Partly Cloudy | 0% | 0 mph | ||
Precipitation Timeline
100%
50%
100%
4a10a4p10p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Warm and comfortable — dress light
Clothing
- • T-shirt or light blouse
- • Shorts or light pants
Footwear
Comfortable shoes or sandals
Accessories
- • Umbrella
Conditions
High: 70°F
Low: 50°F
Wind: 0-5 mph
Rain: 100%
Rain expected around 4 AM — carry an umbrella.
Best Time to Be Outside Tomorrow
8 PM – 9 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
4a10a4p10p
More for South Portland, ME
- Will it rain tomorrow in South Portland?
- What time will it rain tomorrow in South Portland?
- Weather tomorrow by hour in South Portland
- Heat index tomorrow by zip code near South Portland
- Dew point tomorrow by zip code near South Portland
- Wind chill tomorrow by zip code near South Portland
- What to wear tomorrow in South Portland
- Best time to be outside tomorrow in South Portland
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Frequently Asked Questions
What is the weather forecast for tomorrow in South Portland, ME?
Tomorrow in South Portland: High of 70°F, Low of 50°F. Rain with 100% chance of precipitation. Wind 0-5 mph.
Will it rain tomorrow in South Portland?
Rain likely starts around 4 AM and may continue until 5 PM. Peak chance: 100% around 11 AM.
What should I wear tomorrow in South Portland?
With a high of 70°F and low of 50°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.