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High astronomical tides may bring water levels to near minor flood stage for Portland and points south tonight into early Sunday morning. The next chances for rain will be tonight through Sunday. Expect much cooler temperatures Sunday and into the next work week. Click to Zoom/Unzoom Visit Gray, Maine Weather Forecast Office-


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Updated: @ 04/18/2026 10:00 - next update at 10:05  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 51.0, Max: 51.1, Min: 45.7 51°F
Warmer 1.8°F than last hour.

Cool

Feels like: 51°F

24-hr difference
-13.9°FColder 13.9°F than yesterday at this time.
  Today Yesterday
High: 51.1°F
09:53 		70.9°F
16:48
Low: 45.7°F
06:55 		50.2°F
00:00
Wind from ESE ESE
1
Gust:
 3 mph
0 Bft - Calm
Today: 3 mph 09:22
Gust Month: 22 mph April 11
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.3 in
Storm Rain: 0.43 in
This Month: 1.89 in
Season Total: 4.96 in
10 rain days in April.
Tonight

Tonight: Cloudy then Patchy Fog
Cloudy then Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 99 %  
Dew Point: 50.8°F Increased 1.7°F since last hour.
Barometer: 30.081 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 05:59
Sunset: 19:33
Moonrise: 06:13
Moonset: 21:38
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
2%
Illuminated
UV Index Solar Radiation
   0.9     Low 
High: 1.0 @ 08:08
123 W/m2 (19 %)
High: 159 @  09:59
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Cloudy
Mostly Cloudy

Hi 59 °F		 NWS forecast: Mostly cloudy, with a high near 59. East wind 5 to 10 mph.
 
Tonight

Tonight: Cloudy then Patchy Fog
Cloudy then Patchy Fog

Lo 40 °F		 NWS forecast: Patchy fog between 1am and 3am, then patchy fog and a slight chance of rain between 3am and 4am, then a chance of rain and patchy fog. Cloudy, with a low around 40. Southeast wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.