10-Day Weather Forecast for Riverton, Portland, Maine - The Weather Channel | weather.com
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10 Day Weather-

As of 6:43 pm EDT

Tonight

Partly Cloudy Night Partly Cloudy
--/44°
Rain drop 5%
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Night

44°
Partly Cloudy Night
Rain drop
5%
WSW 9 mph

Partly cloudy skies. Low 44F. Winds WSW at 5 to 10 mph.

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  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:16 pm
  • Moonset
    Moonset6:37 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Partly Cloudy Day Partly Cloudy
48°/35°
Rain drop 2%
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Day

48°
Partly Cloudy Day
Rain drop
2%
ENE 12 mph

Partly cloudy. High 48F. Winds ENE at 10 to 15 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:17 am
  • Sunset
    Sunset7:12 pm

Night

35°
Rain
Rain drop
83%
ESE 9 mph

Cloudy skies with periods of rain after midnight. Low near 35F. Winds ESE at 5 to 10 mph. Chance of rain 80%.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:23 pm
  • Moonset
    Moonset7:00 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Rain Rain
50°/36°
Rain drop 78%
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Day

50°
Rain
Rain drop
78%
SSW 9 mph

Occasional rain. High around 50F. Winds SSW at 5 to 10 mph. Chance of rain 80%.

  • Humidity
    Humidity92%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:15 am
  • Sunset
    Sunset7:13 pm

Night

36°
Partly Cloudy Night
Mixed precipitation
10%
W 10 mph

Cloudy skies early, then partly cloudy after midnight. Low 36F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:29 pm
  • Moonset
    Moonset7:28 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Partly Cloudy Day Partly Cloudy
47°/30°
Rain drop 3%
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Day

47°
Partly Cloudy Day
Rain drop
3%
WNW 13 mph

Intervals of clouds and sunshine. High 47F. Winds WNW at 10 to 20 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:13 am
  • Sunset
    Sunset7:14 pm

Night

30°
Partly Cloudy Night
Mixed precipitation
10%
WNW 8 mph

Partly cloudy. Low near 30F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset8:01 am
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Mostly Cloudy Day Mostly Cloudy
42°/24°
Rain drop 23%
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Day

42°
Mostly Cloudy Day
Rain drop
23%
NW 10 mph

Partly cloudy skies during the morning hours will become overcast in the afternoon. High 42F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:12 am
  • Sunset
    Sunset7:15 pm

Night

24°
Partly Cloudy Night
Snowflake
19%
NNW 9 mph

Some clouds early will give way to generally clear conditions overnight. Low 24F. Winds NNW at 5 to 10 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:30 am
  • Moonset
    Moonset8:43 am
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Sunny Sunny
44°/31°
Rain drop 0%
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Day

44°
Sunny
W 10 mph

A mainly sunny sky. High 44F. NNW winds shifting to S at 10 to 15 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:10 am
  • Sunset
    Sunset7:16 pm

Night

31°
Clear Night
Mixed precipitation
3%
SSW 8 mph

Clear skies. Low 31F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:26 am
  • Moonset
    Moonset9:34 am
  • Moon Phase - Day 21 Waning Gibbous

Thu 09

Mostly Clear Day Mostly Sunny
51°/41°
Rain drop 2%
Add

Day

51°
Mostly Clear Day
Rain drop
2%
S 16 mph

Mostly sunny skies. High 51F. Winds S at 10 to 20 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:08 am
  • Sunset
    Sunset7:18 pm

Night

41°
Partly Cloudy Night
Rain drop
5%
SSW 12 mph

A few clouds from time to time. Low 41F. Winds SSW at 10 to 15 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:12 am
  • Moonset
    Moonset10:32 am
  • Moon Phase - Day 21 Waning Gibbous

Fri 10

Partly Cloudy Day Partly Cloudy
61°/42°
Rain drop 4%
Add

Day

61°
Partly Cloudy Day
Rain drop
4%
SW 10 mph

Sunshine and clouds mixed. High 61F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity62%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:07 am
  • Sunset
    Sunset7:19 pm

Night

42°
Partly Cloudy Night
Rain drop
15%
E 7 mph

A few clouds from time to time. Low 42F. Winds E at 5 to 10 mph.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:51 am
  • Moonset
    Moonset11:36 am
  • Moon Phase - Day 22 Last Quarter

Sat 11

Partly Cloudy Day Partly Cloudy
58°/43°
Rain drop 13%
Add

Day

58°
Partly Cloudy Day
Rain drop
13%
ESE 9 mph

Partly cloudy. High 58F. Winds ESE at 5 to 10 mph.

  • Humidity
    Humidity66%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:05 am
  • Sunset
    Sunset7:20 pm

Night

43°
Partly Cloudy Night
Rain drop
21%
SE 6 mph

Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 43F. Winds light and variable.

  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:23 am
  • Moonset
    Moonset12:44 pm
  • Moon Phase - Day 23 Waning Crescent

Sun 12

Mostly Cloudy Day Mostly Cloudy
55°/45°
Rain drop 22%
Add

Day

55°
Mostly Cloudy Day
Rain drop
22%
SSE 9 mph

Mostly cloudy skies. High near 55F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:03 am
  • Sunset
    Sunset7:21 pm

Night

45°
Scattered Showers Night
Rain drop
34%
SSW 6 mph

Partly cloudy during the evening. A few showers developing later during the night. Low near 45F. Winds light and variable. Chance of rain 30%.

  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:50 am
  • Moonset
    Moonset1:54 pm
  • Moon Phase - Day 24 Waning Crescent

Mon 13

Showers Showers
58°/45°
Rain drop 36%
Add

Day

58°
Showers
Rain drop
36%
SE 8 mph

Overcast with showers at times. High 58F. Winds SE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity71%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:01 am
  • Sunset
    Sunset7:22 pm

Night

45°
Showers
Rain drop
49%
ESE 6 mph

Overcast with rain showers at times. Low around 45F. Winds light and variable. Chance of rain 50%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:12 am
  • Moonset
    Moonset3:05 pm
  • Moon Phase - Day 25 Waning Crescent

Tue 14

Showers Showers
58°/44°
Rain drop 37%
Add

Day

58°
Showers
Rain drop
37%
SSE 9 mph

Cloudy with occasional showers. High 58F. Winds SSE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity70%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:00 am
  • Sunset
    Sunset7:24 pm

Night

44°
Scattered Showers Night
Rain drop
43%
ENE 7 mph

Showers in the evening, then partly cloudy overnight. Low 44F. Winds ENE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:33 am
  • Moonset
    Moonset4:17 pm
  • Moon Phase - Day 26 Waning Crescent

Wed 15

Partly Cloudy Day Partly Cloudy
54°/42°
Rain drop 24%
Add

Day

54°
Partly Cloudy Day
Rain drop
24%
ESE 9 mph

Intervals of clouds and sunshine in the morning with more clouds for later in the day. High 54F. Winds ESE at 5 to 10 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise5:58 am
  • Sunset
    Sunset7:25 pm

Night

42°
Scattered Showers Night
Rain drop
31%
SSE 6 mph

Mostly cloudy during the evening. A few showers developing late. Low 42F. Winds SSE at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:53 am
  • Moonset
    Moonset5:32 pm
  • Moon Phase - Day 27 Waning Crescent

Thu 16

Scattered Showers Day PM Showers
58°/43°
Rain drop 37%
Add

Day

58°
Scattered Showers Day
Rain drop
37%
S 10 mph

Mostly cloudy early with showers developing later in the day. High 58F. Winds S at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity67%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise5:57 am
  • Sunset
    Sunset7:26 pm

Night

43°
Scattered Showers Night
Rain drop
39%
WNW 8 mph

Showers in the evening with some clearing overnight. Low 43F. Winds WNW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:14 am
  • Moonset
    Moonset6:49 pm
  • Moon Phase - Day 28 Waning Crescent

Fri 17

Partly Cloudy Day Partly Cloudy
55°/40°
Rain drop 24%
Add

Day

55°
Partly Cloudy Day
Rain drop
24%
WNW 10 mph

Partly cloudy. High around 55F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise5:55 am
  • Sunset
    Sunset7:27 pm

Night

40°
Scattered Showers Night
Rain drop
33%
NNW 7 mph

Partly cloudy skies early followed by mostly cloudy skies and a few showers later at night. Low near 40F. Winds NNW at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:38 am
  • Moonset
    Moonset8:10 pm
  • Moon Phase - Day 0 New Moon
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