EN
Weather in Port Jefferson, NY
77°
Port Jefferson, Sunday, 9 August, 00:06
Mostly clear. Feels like 78°. High 91°, low 74°.
Pressure29.94 inHg
Wind8 mph SW 
Humidity80%
Visibility6.2 mi
Dew point69°
Sun, 09August
91°/74°
91°/74°Mon, 10August89°/73°
89°/73°Tue, 11August
85°/75°
85°/75°Wed, 12August78°/71°
78°/71°Thu, 13August82°/71°
82°/71°Fri, 14August
78°/65°
78°/65°Sat, 15August78°/67°
78°/67° | 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | |  |  | | | | | | | | |
| Temperature | 87° | 76° | 75° | 74° | 78° | 83° | 87° | 90° | 90° | 86° | 77° | 75° |
| Feels like | 87° | 77° | 76° | 75° | 79° | 88° | 94° | 98° | 95° | 87° | 77° | 76° |
Pressure, inHg  | 29.97 | 29.94 | 29.94 | 29.94 | 29.94 | 29.97 | 29.97 | 29.94 | 29.91 | 29.91 | 29.94 | 30.00 |
| Wind, mph | 4.1 | 3.1 | 3.3 | 3.4 | 3.7 | 3.8 | 3.6 | 3.6 | 3.3 | 4.1 | 1.7 | 2.6 |
Humidity, %  | 64% | 78% | 77% | 78% | 72% | 67% | 64% | 57% | 50% | 50% | 59% | 67% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 74° | 73° | 73° | 73° | 77° | 83° | 85° | 89° | 81° | 78° | 80° | 79° |
| Feels like | 74° | 73° | 73° | 73° | 77° | 83° | 87° | 95° | 83° | 78° | 80° | 79° |
| Pressure, inHg | 30.00 | 30.00 | 29.97 | 30.00 | 30.00 | 30.00 | 29.97 | 29.94 | 29.91 | 29.88 | 29.85 | 29.88 |
| Wind, mph | 1.9 | 3 | 2.2 | 1.4 | 0.9 | 0.4 | 1.7 | 1.3 | 1.6 | 2.6 | 2.9 | 2.2 |
| Humidity, % | 62% | 62% | 63% | 60% | 53% | 50% | 53% | 54% | 61% | 73% | 74% | 78% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0.01 in | 0.01 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | | | | | | | | | | | |
| Temperature | 80° | 80° | 79° | 77° | 75° | 79° | 81° | 83° | 85° | 84° | 82° | 79° |
| Feels like | 80° | 80° | 80° | 78° | 76° | 79° | 82° | 84° | 85° | 85° | 84° | 79° |
| Pressure, inHg | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.88 | 29.85 | 29.83 | 29.83 | 29.80 | 29.83 | 29.83 |
| Wind, mph | 3.6 | 5.6 | 6.7 | 7.4 | 6.2 | 5.4 | 4.1 | 4.4 | 4.6 | 3.8 | 3.3 | 2.9 |
| Humidity, % | 68% | 71% | 73% | 77% | 77% | 63% | 54% | 51% | 47% | 49% | 58% | 73% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 78° | 78° | 73° | 70° | 71° | 73° | 72° | 75° | 75° | 76° | 74° | 74° |
| Feels like | 79° | 79° | 74° | 71° | 72° | 74° | 73° | 76° | 75° | 77° | 75° | 74° |
| Pressure, inHg | 29.77 | 29.74 | 29.71 | 29.71 | 29.74 | 29.71 | 29.71 | 29.71 | 29.71 | 29.71 | 29.71 | 29.71 |
| Wind, mph | 3.1 | 2.6 | 4.5 | 4.2 | 1.1 | 2.3 | 2.5 | 4.2 | 3 | 2.5 | 2.5 | 2.8 |
| Humidity, % | 79% | 78% | 87% | 87% | 84% | 77% | 82% | 75% | 73% | 69% | 73% | 75% |
| Precipitation | 0 in | 0.01 in | 0.05 in | 0.03 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 71° | 71° | 72° | 72° | 73° | 74° | 76° | 77° | 79° | 81° | 80° | 76° |
| Feels like | 72° | 71° | 72° | 74° | 74° | 75° | 76° | 78° | 79° | 81° | 80° | 76° |
| Pressure, inHg | 29.71 | 29.74 | 29.74 | 29.74 | 29.74 | 29.74 | 29.74 | 29.74 | 29.74 | 29.74 | 29.74 | 29.74 |
| Wind, mph | 3.3 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Humidity, % | 88% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% | 68% |
| Precipitation | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in |
| Visibility | 6.2 mi | — | — | — | — | — | — | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 70° | 70° | 68° | 66° | 67° | 68° | 70° | 71° | 74° | 76° | 76° | 74° |
| Feels like | 70° | 69° | 67° | 65° | 66° | 67° | 69° | 70° | 73° | 76° | 76° | 74° |
| Pressure, inHg | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 |
| Wind, mph | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 |
| Humidity, % | 45% | 45% | 45% | 45% | 45% | 45% | 45% | 45% | 45% | 45% | 45% | 45% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 72° | 70° | 69° | 67° | 69° | 70° | 71° | 73° | 75° | 77° | 77° | 75° |
| Feels like | 72° | 69° | 68° | 67° | 68° | 69° | 71° | 72° | 75° | 77° | 77° | 74° |
| Pressure, inHg | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 |
| Wind, mph | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 |
| Humidity, % | 48% | 48% | 48% | 48% | 48% | 48% | 48% | 48% | 48% | 48% | 48% | 48% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
Sun and moon today
Day length — 14 h 3 min
Sunrise — 05:56
Sunset — 19:59
Sunrise and sunset in local time
Waning crescent, 18%
Sunrise — —
Sunset — —
Weather history
Temperature extremes over 66 years
August 9 temperatures in Port Jefferson, NY over 66 years
high: 93.7° (2001)low: 57.4° (2025)
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