WXSIM Forecast for: Bellport
Issued by: Atlantic Point Weather Station
Updated: Thursday, 21-May-2026 05:00 am
 
Today

Rain likely
Rain likely
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Chance rain
Chance rain
Saturday
night
Rain likely
Rain likely
Sunday

Rain likely
Rain likely
Sunday
night
Chance rain
Chance rain
.35 in. .25 in. .35 in. .5 in. .1 in.
High: 65° Low: 53° High: 70° Low: 53° High: 65° Low: 49° High: 61° Low: 53°
               
NNE
6
mph
Light breeze
ENE
2
mph
Light air
NE→E
10-19
mph
Fresh breeze
E
7-18
mph
Moderate breeze
E
12-21
mph
Fresh breeze
E
13-21→16-26
mph
Strong breeze
E
20-30
mph
Strong breeze
E→NNE
19-30→9-19
mph
Strong breeze
UV: 3
 Medium 
UV: 8
 Very High 
UV: 5
 Medium 
UV: 2
 Low 

 

Today
 
Dense overcast. Rain likely. High 65°, but temperatures falling in the afternoon. UV index up to 3. Wind north-northeast around 6 mph. Chance of precipitation 70 percent. Precipitation mostly between a quarter and half an inch.
Tonight
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Low 53°. Wind east-northeast around 2 mph.
Friday
 
Partly cloudy. High 70°. UV index up to 8. Wind northeast around 10 mph, gusting to 19 mph, in the morning, becoming east in the afternoon.
Friday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 53°. Wind east around 7 mph, gusting to 18 mph.
Saturday
 
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy and cool. High 65°, but temperatures falling in the afternoon. UV index up to 5. Wind east around 12 mph, gusting to 21 mph. Chance of precipitation 50 percent. Precipitation mostly around a quarter of an inch.
Saturday night
 
Dense overcast. Rain likely. Breezy and cool. Low 49°, but temperatures rising after midnight. Wind east around 13 mph, gusting to 21 mph, in the evening, becoming 16 mph, gusting to 26 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between a quarter and half an inch.
Sunday
 
Dense overcast. Rain likely in the morning, then a chance of rain in the afternoon. Windy and cool. High 61°. UV index up to 2. Wind east around 20 mph, gusting to 30 mph. Chance of precipitation 80 percent. Precipitation mostly around half an inch.
Sunday night
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 53°. Wind east around 19 mph, gusting to 30 mph, in the evening, becoming north-northeast around 9 mph, gusting to 19 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Monday
 
Dense overcast. A chance of rain. High 67°. UV index up to 3. Wind west around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Monday night
 
Cloudy. Low 57°. Wind west around 8 mph, gusting to 16 mph.
Tuesday
 
Partly to mostly cloudy. High 76°. UV index up to 7. Wind northwest around 6 mph, gusting to 15 mph, in the morning, becoming west-southwest in the afternoon.
Tuesday night
 
Partly cloudy. Low 58°. Wind west-southwest around 7 mph, gusting to 15 mph, in the evening, becoming northwest after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.