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Now · 12:38 PM

Yarmouth Port Weather & Hourly Forecast

United States · Massachusetts · 02675

71°F

Sunny

Feels like: 68°F

💧 Humidity 55% 🌡 Pressure 30.15 inHg 💨 Wind 7 mph 👁 Visibility 27.0 mi ☁ Clouds 4% ☀️ UV index 6.1 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Yarmouth Port

Today

1:00 PM

Sunny

71° 💧 None 💨 7 mph H 55%30.15 inHg

4:00 PM

Overcast

70° 💧 None 💨 7 mph H 60%30.12 inHg

7:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 80%30.12 inHg

10:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 89%30.12 inHg

Tomorrow

1:00 AM

Clear night

66° 💧 None 💨 9 mph H 87%30.09 inHg

4:00 AM

Mostly cloudy night

67° 💧 None 💨 11 mph H 81%30.06 inHg

7:00 AM

Overcast

68° 💧 None 💨 10 mph H 83%30.03 inHg

10:00 AM

Light rain

70° 💧 0.251 in 💨 8 mph H 87%30.00 inHg

1:00 PM

Moderate rain

70° 💧 0.638 in 💨 10 mph H 97%29.94 inHg

4:00 PM

Moderate rain

70° 💧 0.177 in 💨 8 mph H 98%29.83 inHg

7:00 PM

Overcast night

70° 💧 0.000 in 💨 7 mph H 98%29.80 inHg

10:00 PM

Clear night

69° 💧 None 💨 8 mph H 98%29.83 inHg

Monday

1:00 AM

Clear night

69° 💧 None 💨 6 mph H 98%29.80 inHg

4:00 AM

Clear night

69° 💧 None 💨 8 mph H 98%29.80 inHg

7:00 AM

Mostly cloudy

69° 💧 0.044 in 💨 9 mph H 97%29.83 inHg

10:00 AM

Moderate rain

66° 💧 0.238 in 💨 9 mph H 93%29.91 inHg

Today

1:00 PM

Sunny

71° 💧 None 💨 7 mph H 55%30.15 inHg

2:00 PM

Mostly cloudy

71° 💧 None 💨 8 mph H 56%30.15 inHg

3:00 PM

Overcast

70° 💧 None 💨 7 mph H 58%30.12 inHg

4:00 PM

Overcast

70° 💧 None 💨 7 mph H 60%30.12 inHg

5:00 PM

Overcast

68° 💧 None 💨 7 mph H 65%30.12 inHg

6:00 PM

Overcast

67° 💧 None 💨 7 mph H 72%30.12 inHg

7:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 80%30.12 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 85%30.12 inHg

9:00 PM

Overcast night

64° 💧 None 💨 6 mph H 88%30.12 inHg

10:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 89%30.12 inHg

11:00 PM

Partly cloudy night

65° 💧 None 💨 7 mph H 89%30.12 inHg

Tomorrow

12:00 AM

Partly cloudy night

66° 💧 None 💨 8 mph H 89%30.12 inHg

1:00 AM

Clear night

66° 💧 None 💨 9 mph H 87%30.09 inHg

2:00 AM

Mostly clear night

66° 💧 None 💨 10 mph H 85%30.09 inHg

3:00 AM

Partly cloudy night

67° 💧 None 💨 11 mph H 82%30.06 inHg

4:00 AM

Mostly cloudy night

67° 💧 None 💨 11 mph H 81%30.06 inHg

5:00 AM

Overcast night

68° 💧 None 💨 11 mph H 81%30.03 inHg

6:00 AM

Overcast night

68° 💧 None 💨 11 mph H 81%30.03 inHg

7:00 AM

Overcast

68° 💧 None 💨 10 mph H 83%30.03 inHg

8:00 AM

Overcast

70° 💧 None 💨 9 mph H 83%30.03 inHg

9:00 AM

Overcast

71° 💧 None 💨 9 mph H 81%30.00 inHg

10:00 AM

Light rain

70° 💧 0.008 in 💨 8 mph H 87%30.00 inHg

11:00 AM

Light rain

69° 💧 0.080 in 💨 10 mph H 97%30.00 inHg

12:00 PM

Moderate rain

70° 💧 0.163 in 💨 9 mph H 96%29.97 inHg

1:00 PM

Moderate rain

70° 💧 0.216 in 💨 10 mph H 97%29.94 inHg

2:00 PM

Moderate rain

70° 💧 0.265 in 💨 11 mph H 98%29.88 inHg

3:00 PM

Moderate rain

70° 💧 0.156 in 💨 9 mph H 98%29.85 inHg

4:00 PM

Moderate rain

70° 💧 0.139 in 💨 8 mph H 98%29.83 inHg

5:00 PM

Light rain

70° 💧 0.037 in 💨 7 mph H 99%29.83 inHg

6:00 PM

Mostly cloudy

71° 💧 0.001 in 💨 7 mph H 97%29.80 inHg

7:00 PM

Overcast night

70° 💧 0.000 in 💨 7 mph H 98%29.80 inHg

8:00 PM

Overcast night

70° 💧 0.000 in 💨 7 mph H 97%29.80 inHg

9:00 PM

Clear night

70° 💧 None 💨 7 mph H 98%29.83 inHg

10:00 PM

Clear night

69° 💧 None 💨 8 mph H 98%29.83 inHg

11:00 PM

Clear night

69° 💧 None 💨 8 mph H 98%29.83 inHg

Monday

12:00 AM

Clear night

69° 💧 None 💨 8 mph H 98%29.83 inHg

1:00 AM

Clear night

69° 💧 None 💨 6 mph H 98%29.80 inHg

2:00 AM

Clear night

69° 💧 None 💨 7 mph H 99%29.80 inHg

3:00 AM

Clear night

69° 💧 None 💨 7 mph H 99%29.80 inHg

4:00 AM

Clear night

69° 💧 None 💨 8 mph H 98%29.80 inHg

5:00 AM

Clear night

69° 💧 None 💨 7 mph H 98%29.80 inHg

6:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 98%29.83 inHg

7:00 AM

Mostly cloudy

69° 💧 None 💨 9 mph H 97%29.83 inHg

8:00 AM

Light rain

69° 💧 0.007 in 💨 13 mph H 94%29.85 inHg

9:00 AM

Light rain

66° 💧 0.037 in 💨 13 mph H 93%29.88 inHg

10:00 AM

Moderate rain

66° 💧 0.171 in 💨 9 mph H 93%29.91 inHg

11:00 AM

Light rain

67° 💧 0.066 in 💨 7 mph H 90%29.91 inHg

12:00 PM

Sunny

71° 💧 None 💨 9 mph H 73%29.91 inHg

1:00 PM

Sunny

72° 💧 None 💨 12 mph H 65%29.91 inHg

2:00 PM

Sunny

72° 💧 None 💨 12 mph H 62%29.91 inHg

3:00 PM

Sunny

72° 💧 None 💨 12 mph H 61%29.91 inHg

4:00 PM

Sunny

72° 💧 None 💨 14 mph H 57%29.94 inHg

5:00 PM

Sunny

71° 💧 None 💨 11 mph H 60%29.94 inHg

6:00 PM

Sunny

69° 💧 None 💨 10 mph H 67%29.97 inHg

7:00 PM

Clear night

68° 💧 None 💨 12 mph H 67%30.00 inHg

8:00 PM

Clear night

68° 💧 None 💨 14 mph H 62%30.06 inHg

Tuesday

5:00 AM

Clear night

62° 💧 None 💨 10 mph H 59%30.24 inHg

8:00 AM

Sunny

62° 💧 None 💨 10 mph H 61%30.33 inHg

11:00 AM

Sunny

63° 💧 None 💨 9 mph H 61%30.39 inHg

2:00 PM

Sunny

64° 💧 None 💨 7 mph H 64%30.36 inHg

5:00 PM

Sunny

63° 💧 None 💨 5 mph H 66%30.36 inHg

8:00 PM

Clear night

60° 💧 None 💨 5 mph H 78%30.39 inHg

11:00 PM

Clear night

59° 💧 None 💨 5 mph H 83%30.36 inHg

Wednesday

2:00 AM

Mostly clear night

58° 💧 None 💨 3 mph H 82%30.36 inHg

5:00 AM

Clear night

58° 💧 None 💨 2 mph H 83%30.36 inHg

8:00 AM

Sunny

62° 💧 None 💨 3 mph H 80%30.39 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 4 mph H 68%30.39 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 8 mph H 68%30.33 inHg

5:00 PM

Partly cloudy

67° 💧 None 💨 8 mph H 73%30.30 inHg

8:00 PM

Mostly cloudy night

63° 💧 None 💨 6 mph H 82%30.33 inHg

11:00 PM

Clear night

62° 💧 None 💨 6 mph H 90%30.33 inHg

Thursday

2:00 AM

Clear night

63° 💧 None 💨 6 mph H 91%30.30 inHg

5:00 AM

Partly cloudy night

63° 💧 None 💨 6 mph H 93%30.27 inHg

8:00 AM

Overcast

67° 💧 None 💨 5 mph H 88%30.30 inHg

11:00 AM

Partly cloudy

71° 💧 None 💨 7 mph H 78%30.27 inHg

2:00 PM

Partly cloudy

74° 💧 None 💨 7 mph H 73%30.24 inHg

5:00 PM

Overcast

72° 💧 None 💨 8 mph H 78%30.21 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 7 mph H 87%30.21 inHg

11:00 PM

Overcast night

68° 💧 None 💨 8 mph H 92%30.18 inHg

Friday

2:00 AM

Overcast night

68° 💧 None 💨 6 mph H 93%30.15 inHg

8:00 AM

Sunny

68° 💧 None 💨 11 mph H 88%30.15 inHg

2:00 PM

Partly cloudy

71° 💧 None 💨 11 mph H 88%30.12 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 7 mph H 87%30.09 inHg

Saturday

2:00 AM

Overcast night

66° 💧 None 💨 6 mph H 92%30.06 inHg

8:00 AM

Moderate rain

65° 💧 None 💨 6 mph H 97%30.03 inHg

2:00 PM

Overcast

65° 💧 None 💨 8 mph H 94%30.03 inHg

8:00 PM

Overcast night

68° 💧 None 💨 11 mph H 80%29.97 inHg

Sunday

2:00 AM

Overcast night

70° 💧 None 💨 9 mph H 93%29.91 inHg

8:00 AM

Overcast

71° 💧 None 💨 11 mph H 97%29.83 inHg

2:00 PM

Overcast

73° 💧 None 💨 14 mph H 94%29.80 inHg

8:00 PM

Overcast night

76° 💧 None 💨 20 mph H 83%29.71 inHg

Monday

2:00 AM

Light rain

71° 💧 None 💨 13 mph H 97%29.68 inHg

8:00 AM

Partly cloudy

64° 💧 None 💨 12 mph H 82%29.80 inHg

2:00 PM

Mostly sunny

62° 💧 None 💨 12 mph H 76%29.91 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 12 mph H 62%29.97 inHg

Tuesday

2:00 AM

Partly cloudy night

62° 💧 None 💨 11 mph H 61%30.09 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 12 mph H 63%30.21 inHg

2:00 PM

Mostly cloudy

61° 💧 None 💨 11 mph H 63%30.27 inHg

8:00 PM

Overcast night

62° 💧 None 💨 11 mph H 61%30.30 inHg

Wednesday

2:00 AM

Overcast night

61° 💧 None 💨 11 mph H 68%30.27 inHg

8:00 AM

Overcast

61° 💧 None 💨 10 mph H 77%30.21 inHg

2:00 PM

Mostly cloudy

63° 💧 None 💨 13 mph H 75%30.24 inHg

8:00 PM

Overcast night

64° 💧 None 💨 12 mph H 70%30.27 inHg

Thursday

2:00 AM

Overcast night

62° 💧 None 💨 11 mph H 72%30.30 inHg

8:00 AM

Overcast

62° 💧 None 💨 10 mph H 76%30.30 inHg

2:00 PM

Overcast

62° 💧 None 💨 14 mph H 73%30.36 inHg

8:00 PM

Overcast night

64° 💧 None 💨 13 mph H 68%30.36 inHg

Friday

2:00 AM

Overcast night

62° 💧 None 💨 12 mph H 72%30.39 inHg

8:00 AM

Overcast

60° 💧 None 💨 12 mph H 73%30.36 inHg

2:00 PM

Overcast

61° 💧 None 💨 14 mph H 72%30.33 inHg

8:00 PM

Overcast night

63° 💧 None 💨 13 mph H 68%30.30 inHg

Saturday

2:00 AM

Overcast night

60° 💧 None 💨 10 mph H 75%30.27 inHg

8:00 AM

Overcast

58° 💧 None 💨 7 mph H 78%30.21 inHg

2:00 PM

Overcast

60° 💧 None 💨 9 mph H 69%30.15 inHg

8:00 PM

Overcast night

63° 💧 None 💨 10 mph H 59%30.06 inHg

Sunday

2:00 AM

Mostly cloudy night

59° 💧 None 💨 6 mph H 70%30.00 inHg

In Yarmouth Port and, more broadly, across the state of Massachusetts: The afternoon will feature a mix of sun and clouds with mild temperatures ranging from 59 to 73 degrees Fahrenheit. Winds will be moderate, coming from the south at up to 10 mph, with gusts reaching 21 mph. No precipitation is expected for the rest of the day, making for generally pleasant weather conditions. The breeze may provide a slight cooling effect, especially in the higher gusts. Overall, it looks like a comfortable afternoon with mild temperatures and light to moderate winds.

15-Day Weather Outlook for Yarmouth Port

TomorrowTomorrow

Mostly cloudy 71°/64° 💧 None 💨 11 mph

Monday, Sep 14Mon Sep 14

Overcast 72°/66° 💧 None 💨 14 mph

Tuesday, Sep 15Tue Sep 15

Sunny 68°/62° 💧 1.026 in 💨 14 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 69°/58° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 74°/62° 💧 0.001 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Overcast 71°/68° 💧 0.297 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 69°/65° 💧 0.301 in 💨 8 mph

Sunday, Sep 20Sun Sep 20

Overcast 73°/68° 💧 0.006 in 💨 14 mph

Monday, Sep 21Mon Sep 21

Light rain 76°/62° 💧 0.096 in 💨 20 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 65°/61° 💧 None 💨 12 mph

Wednesday, Sep 23Wed Sep 23

Overcast 63°/61° 💧 0.001 in 💨 13 mph

Thursday, Sep 24Thu Sep 24

Overcast 64°/62° 💧 0.007 in 💨 14 mph

Friday, Sep 25Fri Sep 25

Overcast 64°/60° 💧 0.001 in 💨 14 mph

Saturday, Sep 26Sat Sep 26

Overcast 63°/58° 💧 0.001 in 💨 13 mph

Sunday, Sep 27Sun Sep 27

Overcast 63°/59° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Yarmouth Port

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Yarmouth Port

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 3,9µg/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 6,5µg/m³

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

O₃ Ozone Moderate 106,2µg/m³

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

NO₂ Nitrogen dioxide Good 0,6µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Yarmouth Port

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 6,3High 😐Moderate

Tomorrow UV 2,6Low 😐Moderate

Monday UV 5,8Moderate 🙂Fair

Tuesday UV 5,0Moderate 🙂Fair

Wednesday UV 6,0High 🙂Fair

Thursday UV 6,0High —Unavailable

Friday UV 4,0Moderate —Unavailable

Hourly UV index today

1:00 PMUV 6,3 2:00 PMUV 5,5 3:00 PMUV 3,7 4:00 PMUV 2,2 5:00 PMUV 1,0 6:00 PMUV 0,2 7:00 PMUV 0,0

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Yarmouth Port

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · YARMOUTH PORT, MASSACHUSETTS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:31 PM–4:44 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 52° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min72%

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.

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Forecast data for Yarmouth Port were last refreshed today at 12:38 PM. The current forecast period extends through 14/09/2026 at 10:00 AM. 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.