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Current weather in Greenville is few clouds.

Where can I find the hourly weather forecast for Greenville?

This page shows hourly weather forecast for Greenville, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Greenville updated regularly?

Weather data for Greenville is updated regularly with the latest available observations and forecasts.

Now · 11:55 PM

Greenville Weather & Hourly Forecast

United States · Maine · 04441

58°F

Mostly clear night

Feels like: 55°F

💧 Humidity 80% 🌡 Pressure 30.06 inHg 💨 Wind 6 mph 👁 Visibility 31.4 mi ☁ Clouds 36% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Greenville

Tomorrow

12:00 AM

Mostly clear night

58° 💧 None 💨 6 mph H 80%30.06 inHg

3:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 84%30.03 inHg

6:00 AM

Mostly cloudy night

58° 💧 0.000 in 💨 8 mph H 88%30.09 inHg

9:00 AM

Overcast

59° 💧 None 💨 9 mph H 76%30.15 inHg

12:00 PM

Sunny

63° 💧 None 💨 10 mph H 55%30.18 inHg

3:00 PM

Sunny

65° 💧 None 💨 9 mph H 45%30.15 inHg

6:00 PM

Sunny

63° 💧 None 💨 6 mph H 51%30.18 inHg

9:00 PM

Clear night

55° 💧 None 💨 5 mph H 72%30.24 inHg

Wednesday

12:00 AM

Overcast night

53° 💧 None 💨 2 mph H 81%30.27 inHg

3:00 AM

Overcast night

50° 💧 None 💨 5 mph H 88%30.27 inHg

6:00 AM

Overcast night

49° 💧 None 💨 6 mph H 87%30.27 inHg

9:00 AM

Overcast

53° 💧 None 💨 8 mph H 71%30.24 inHg

12:00 PM

Overcast

57° 💧 None 💨 10 mph H 65%30.18 inHg

3:00 PM

Overcast

62° 💧 None 💨 13 mph H 69%30.09 inHg

6:00 PM

Overcast

61° 💧 0.032 in 💨 12 mph H 85%30.00 inHg

9:00 PM

Light rain

59° 💧 0.133 in 💨 11 mph H 98%29.91 inHg

Tomorrow

12:00 AM

Mostly clear night

58° 💧 None 💨 6 mph H 80%30.06 inHg

1:00 AM

Mostly cloudy night

57° 💧 None 💨 6 mph H 82%30.06 inHg

2:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 82%30.03 inHg

3:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 84%30.03 inHg

4:00 AM

Overcast night

58° 💧 None 💨 8 mph H 85%30.06 inHg

5:00 AM

Overcast night

58° 💧 None 💨 8 mph H 87%30.09 inHg

6:00 AM

Mostly cloudy night

58° 💧 None 💨 8 mph H 88%30.09 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 9 mph H 89%30.12 inHg

8:00 AM

Partly cloudy

58° 💧 0.000 in 💨 10 mph H 84%30.15 inHg

9:00 AM

Overcast

59° 💧 None 💨 9 mph H 76%30.15 inHg

10:00 AM

Partly cloudy

60° 💧 None 💨 9 mph H 68%30.18 inHg

11:00 AM

Sunny

62° 💧 None 💨 10 mph H 60%30.18 inHg

12:00 PM

Sunny

63° 💧 None 💨 10 mph H 55%30.18 inHg

1:00 PM

Sunny

64° 💧 None 💨 10 mph H 50%30.18 inHg

2:00 PM

Sunny

65° 💧 None 💨 9 mph H 46%30.15 inHg

3:00 PM

Sunny

65° 💧 None 💨 9 mph H 45%30.15 inHg

4:00 PM

Sunny

65° 💧 None 💨 9 mph H 45%30.15 inHg

5:00 PM

Sunny

64° 💧 None 💨 8 mph H 45%30.18 inHg

6:00 PM

Sunny

63° 💧 None 💨 6 mph H 51%30.18 inHg

7:00 PM

Sunny

59° 💧 None 💨 6 mph H 61%30.21 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 67%30.21 inHg

9:00 PM

Clear night

55° 💧 None 💨 5 mph H 72%30.24 inHg

10:00 PM

Partly cloudy night

54° 💧 None 💨 4 mph H 74%30.24 inHg

11:00 PM

Mostly cloudy night

54° 💧 None 💨 1 mph H 75%30.24 inHg

Wednesday

12:00 AM

Overcast night

53° 💧 None 💨 2 mph H 81%30.27 inHg

1:00 AM

Overcast night

51° 💧 None 💨 4 mph H 84%30.27 inHg

2:00 AM

Overcast night

50° 💧 None 💨 5 mph H 86%30.27 inHg

3:00 AM

Overcast night

50° 💧 None 💨 5 mph H 88%30.27 inHg

4:00 AM

Overcast night

49° 💧 None 💨 5 mph H 88%30.27 inHg

5:00 AM

Overcast night

49° 💧 None 💨 5 mph H 88%30.27 inHg

6:00 AM

Overcast night

49° 💧 None 💨 6 mph H 87%30.27 inHg

7:00 AM

Overcast

51° 💧 None 💨 6 mph H 79%30.27 inHg

8:00 AM

Overcast

52° 💧 None 💨 7 mph H 75%30.27 inHg

9:00 AM

Overcast

53° 💧 None 💨 8 mph H 71%30.24 inHg

10:00 AM

Overcast

55° 💧 None 💨 9 mph H 68%30.24 inHg

11:00 AM

Overcast

55° 💧 None 💨 9 mph H 67%30.21 inHg

12:00 PM

Overcast

57° 💧 None 💨 10 mph H 65%30.18 inHg

1:00 PM

Overcast

58° 💧 None 💨 11 mph H 65%30.15 inHg

2:00 PM

Overcast

60° 💧 None 💨 12 mph H 67%30.12 inHg

3:00 PM

Overcast

62° 💧 None 💨 13 mph H 69%30.09 inHg

4:00 PM

Overcast

63° 💧 None 💨 13 mph H 70%30.03 inHg

5:00 PM

Overcast

62° 💧 None 💨 13 mph H 79%30.03 inHg

6:00 PM

Overcast

61° 💧 0.000 in 💨 12 mph H 85%30.00 inHg

7:00 PM

Overcast

59° 💧 0.000 in 💨 11 mph H 90%29.97 inHg

8:00 PM

Light rain

58° 💧 0.032 in 💨 11 mph H 96%29.94 inHg

9:00 PM

Light rain

59° 💧 0.029 in 💨 11 mph H 98%29.91 inHg

10:00 PM

Light rain

59° 💧 0.031 in 💨 12 mph H 98%29.85 inHg

11:00 PM

Light rain

60° 💧 0.073 in 💨 13 mph H 98%29.80 inHg

Thursday

12:00 AM

Moderate rain

61° 💧 0.101 in 💨 12 mph H 98%29.77 inHg

1:00 AM

Light rain

62° 💧 0.053 in 💨 12 mph H 98%29.74 inHg

2:00 AM

Light rain

62° 💧 0.046 in 💨 11 mph H 98%29.68 inHg

3:00 AM

Overcast night

62° 💧 0.003 in 💨 10 mph H 98%29.68 inHg

4:00 AM

Overcast night

63° 💧 0.000 in 💨 9 mph H 98%29.65 inHg

5:00 AM

Mostly cloudy night

63° 💧 0.001 in 💨 9 mph H 98%29.65 inHg

6:00 AM

Partly cloudy night

63° 💧 0.001 in 💨 9 mph H 97%29.65 inHg

7:00 AM

Mostly cloudy

63° 💧 None 💨 10 mph H 96%29.65 inHg

8:00 AM

Mostly sunny

64° 💧 0.000 in 💨 10 mph H 96%29.68 inHg

5:00 PM

Partly cloudy

68° 💧 None 💨 14 mph H 54%29.65 inHg

8:00 PM

Mostly cloudy night

61° 💧 None 💨 12 mph H 70%29.71 inHg

11:00 PM

Overcast night

59° 💧 None 💨 10 mph H 75%29.71 inHg

Friday

2:00 AM

Clear night

55° 💧 None 💨 8 mph H 78%29.74 inHg

5:00 AM

Clear night

52° 💧 None 💨 9 mph H 81%29.77 inHg

8:00 AM

Sunny

53° 💧 None 💨 12 mph H 75%29.83 inHg

11:00 AM

Partly cloudy

58° 💧 None 💨 15 mph H 54%29.85 inHg

2:00 PM

Mostly sunny

61° 💧 None 💨 14 mph H 47%29.85 inHg

5:00 PM

Sunny

60° 💧 None 💨 14 mph H 49%29.88 inHg

8:00 PM

Clear night

55° 💧 None 💨 9 mph H 67%29.94 inHg

11:00 PM

Clear night

53° 💧 None 💨 9 mph H 74%30.00 inHg

Saturday

2:00 AM

Clear night

51° 💧 None 💨 8 mph H 87%30.06 inHg

5:00 AM

Clear night

49° 💧 None 💨 5 mph H 94%30.12 inHg

8:00 AM

Sunny

54° 💧 None 💨 4 mph H 80%30.18 inHg

11:00 AM

Mostly sunny

62° 💧 None 💨 3 mph H 51%30.18 inHg

2:00 PM

Mostly cloudy

67° 💧 None 💨 3 mph H 42%30.15 inHg

5:00 PM

Sunny

67° 💧 None 💨 7 mph H 44%30.15 inHg

8:00 PM

Mostly clear night

57° 💧 None 💨 7 mph H 74%30.18 inHg

11:00 PM

Mostly clear night

53° 💧 None 💨 8 mph H 86%30.18 inHg

Sunday

2:00 AM

Partly cloudy night

51° 💧 None 💨 7 mph H 94%30.18 inHg

5:00 AM

Mostly cloudy night

51° 💧 None 💨 8 mph H 99%30.18 inHg

8:00 AM

Overcast

55° 💧 None 💨 9 mph H 96%30.15 inHg

11:00 AM

Mostly cloudy

65° 💧 None 💨 10 mph H 75%30.12 inHg

2:00 PM

Overcast

73° 💧 None 💨 13 mph H 61%30.03 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 11 mph H 71%30.00 inHg

Monday

2:00 AM

Mostly clear night

61° 💧 None 💨 5 mph H 98%30.03 inHg

8:00 AM

Overcast

56° 💧 None 💨 6 mph H 96%30.06 inHg

2:00 PM

Mostly sunny

57° 💧 None 💨 7 mph H 96%30.15 inHg

8:00 PM

Clear night

66° 💧 None 💨 9 mph H 48%30.18 inHg

Tuesday

2:00 AM

Clear night

55° 💧 None 💨 5 mph H 73%30.24 inHg

8:00 AM

Mostly sunny

49° 💧 None 💨 6 mph H 82%30.30 inHg

2:00 PM

Sunny

53° 💧 None 💨 9 mph H 71%30.33 inHg

8:00 PM

Overcast night

70° 💧 None 💨 14 mph H 60%30.21 inHg

Wednesday

2:00 AM

Partly cloudy night

60° 💧 None 💨 15 mph H 72%30.15 inHg

8:00 AM

Overcast

59° 💧 None 💨 12 mph H 80%30.09 inHg

2:00 PM

Overcast

62° 💧 None 💨 3 mph H 100%30.09 inHg

8:00 PM

Overcast night

70° 💧 None 💨 10 mph H 63%30.09 inHg

Thursday

2:00 AM

Overcast night

60° 💧 None 💨 7 mph H 79%30.15 inHg

8:00 AM

Partly cloudy

53° 💧 None 💨 8 mph H 75%30.24 inHg

2:00 PM

Sunny

52° 💧 None 💨 9 mph H 80%30.30 inHg

8:00 PM

Clear night

62° 💧 None 💨 11 mph H 46%30.24 inHg

Friday

2:00 AM

Partly cloudy night

55° 💧 None 💨 8 mph H 64%30.24 inHg

8:00 AM

Mostly cloudy

50° 💧 None 💨 1 mph H 85%30.18 inHg

2:00 PM

Overcast

52° 💧 None 💨 4 mph H 80%30.12 inHg

8:00 PM

Overcast night

53° 💧 None 💨 6 mph H 88%30.00 inHg

Saturday

2:00 AM

Overcast night

51° 💧 None 💨 8 mph H 93%29.85 inHg

8:00 AM

Mostly cloudy

52° 💧 None 💨 7 mph H 98%29.74 inHg

2:00 PM

Light rain

49° 💧 None 💨 14 mph H 95%29.77 inHg

8:00 PM

Mostly clear night

54° 💧 None 💨 15 mph H 60%29.83 inHg

Sunday

2:00 AM

Mostly clear night

49° 💧 None 💨 11 mph H 59%29.94 inHg

8:00 AM

Mostly cloudy

44° 💧 None 💨 7 mph H 78%30.00 inHg

2:00 PM

Sunny

45° 💧 None 💨 4 mph H 73%30.06 inHg

8:00 PM

Overcast night

56° 💧 None 💨 7 mph H 41%29.97 inHg

Monday

2:00 AM

Partly cloudy night

51° 💧 None 💨 6 mph H 61%30.00 inHg

8:00 AM

Overcast

47° 💧 None 💨 4 mph H 80%29.97 inHg

2:00 PM

Overcast

49° 💧 None 💨 5 mph H 87%30.00 inHg

8:00 PM

Clear night

56° 💧 None 💨 12 mph H 56%30.00 inHg

Tuesday

2:00 AM

Clear night

49° 💧 None 💨 11 mph H 61%30.15 inHg

8:00 AM

Sunny

42° 💧 None 💨 5 mph H 87%30.24 inHg

2:00 PM

Mostly sunny

45° 💧 None 💨 5 mph H 70%30.33 inHg

In Greenville and, more broadly, across the state of Maine: This evening will feature a mix of sun and clouds, with temperatures remaining mild between 67 and 73 degrees Fahrenheit. Expect light northwest winds, generally around 5 mph, with occasional gusts up to 13 mph. No precipitation is anticipated during the next few hours, providing a relatively calm and comfortable evening. Conditions should remain stable as the night progresses, with clear to partly cloudy skies. It is a good time to enjoy outdoor activities or relax outside, as weather conditions are unlikely to change dramatically overnight. Temperatures are expected to stay within the mild range, making for a pleasant evening ahead.

15-Day Weather Outlook for Greenville

Wednesday, Sep 9Wed Sep 9

Partly cloudy 63°/49° 💧 None 💨 13 mph

Thursday, Sep 10Thu Sep 10

Light rain 68°/58° 💧 0.585 in 💨 14 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 61°/52° 💧 0.000 in 💨 15 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 67°/49° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Overcast 73°/51° 💧 0.001 in 💨 13 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 69°/56° 💧 0.251 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 66°/49° 💧 0.000 in 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Overcast 70°/59° 💧 0.152 in 💨 15 mph

Thursday, Sep 17Thu Sep 17

Overcast 70°/52° 💧 0.003 in 💨 10 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 62°/50° 💧 None 💨 11 mph

Saturday, Sep 19Sat Sep 19

Light rain 53°/49° 💧 0.155 in 💨 14 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 54°/44° 💧 0.040 in 💨 15 mph

Monday, Sep 21Mon Sep 21

Overcast 56°/47° 💧 0.027 in 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 56°/42° 💧 0.020 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Greenville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Greenville

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 AM

PM2.5 Fine particles Good 1,0µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 1,4µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 62,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Greenville

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,6Moderate —Unavailable

Tomorrow UV 4,9Moderate 🙂Fair

Wednesday UV 2,7Low 🙂Fair

Thursday UV 5,7Moderate 🙂Fair

Friday UV 5,1Moderate 🙂Fair

Saturday UV 5,0Moderate —Unavailable

Sunday UV 4,0Moderate —Unavailable

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Greenville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GREENVILLE, MAINE

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

74/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 8:49 PM–4:25 AM

☁ Cloud cover 36% Real hourly forecast for the best viewing hour.

☾ Moonlight 15% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 40° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min55%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Greenville were last refreshed today at 11:55 PM. The current forecast period extends through 09/09/2026 at 9:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.