Port Jefferson Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
61
65
69
73
77
81
85
89
93
97
101
Jun 15 – Jun 21
0.26
Lo:65
Wed, 18
Hi:76
4
0.13
Lo:67
Thu, 19
Hi:87
13
0.06
Lo:67
Fri, 20
Hi:82
12
0.02
Lo:62
Sat, 21
Hi:85
6
Jun 22 – Jun 28
0.02
Lo:70
Sun, 22
Hi:90
5
Lo:71
Mon, 23
Hi:90
6
Lo:70
Tue, 24
Hi:101
3
0.02
Lo:75
Wed, 25
Hi:95
6
0.37
Lo:73
Thu, 26
Hi:88
9
0.07
Lo:70
Fri, 27
Hi:90
8
0.04
Lo:71
Sat, 28
Hi:91
10
Jun 29 – Jul 5
0.07
Lo:71
Sun, 29
Hi:90
6
0.03
Lo:72
Mon, 30
Hi:88
10
Lo:73
Tue, 1
Hi:87
8
Lo:73
Wed, 2
Hi:87
3
Wed, Jun 18
76 / 65 °F
Isolated tstorms. Overcast.
Feels Like: 76 °F
Humidity: 80%
Precipitation: Rain: 0.26 Snow: 0
Precipitation Chance: 71%
S
Wind: 4 mph
2 Week Extended Forecast in Port Jefferson, USA
Scroll right to see more
| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Wed Jun 18 |  | 76 / 65 °F | Isolated tstorms. Overcast. | 76 °F | 4 mph | ↑ | 80% | 71% | 0.26" | 5 (Moderate) | 5:19 am | 8:27 pm |
| Thu Jun 19 | | 87 / 67 °F | Isolated tstorms late. Mostly cloudy. | 92 °F | 13 mph | ↑ | 60% | 71% | 0.13" | 5 (Moderate) | 5:20 am | 8:27 pm |
| Fri Jun 20 |  | 82 / 67 °F | Showers early. Morning clouds. | 81 °F | 12 mph | ↑ | 48% | 66% | 0.06" | 5 (Moderate) | 5:20 am | 8:27 pm |
| Sat Jun 21 | | 85 / 62 °F | Isolated tstorms late. Cloudy. | 85 °F | 6 mph | ↑ | 49% | 42% | 0.02" | 5 (Moderate) | 5:20 am | 8:27 pm |
| Sun Jun 22 |  | 90 / 70 °F | Broken clouds. | 93 °F | 5 mph | ↑ | 49% | 43% | 0.02" | 7 (High) | 5:20 am | 8:27 pm |
| Mon Jun 23 | | 90 / 71 °F | Broken clouds. | 95 °F | 6 mph | ↑ | 54% | 3% | 0.00" | 5 (Moderate) | 5:21 am | 8:28 pm |
| Tue Jun 24 |  | 101 / 70 °F | Sunny. | 104 °F | 3 mph | ↑ | 35% | 0% | 0.00" | 7 (High) | 5:21 am | 8:28 pm |
| Wed Jun 25 | | 95 / 75 °F | Scattered tstorms late. Increasing cloudiness. | 99 °F | 6 mph | ↑ | 39% | 75% | 0.02" | 7 (High) | 5:21 am | 8:28 pm |
| Thu Jun 26 |  | 88 / 73 °F | Thunderstorms. Increasing cloudiness. | 117 °F | 9 mph | ↑ | 94% | 99% | 0.37" | 5 (Moderate) | 5:22 am | 8:28 pm |
| Fri Jun 27 | | 90 / 70 °F | Thundershowers. Overcast. | 123 °F | 8 mph | ↑ | 89% | 60% | 0.07" | 5 (Moderate) | 5:22 am | 8:28 pm |
| Sat Jun 28 | | 91 / 71 °F | Showers late. Cloudy. | 98 °F | 10 mph | ↑ | 54% | 42% | 0.04" | 3 (Moderate) | 5:22 am | 8:28 pm |
| Sun Jun 29 | | 90 / 71 °F | Showers late. Scattered clouds. | 96 °F | 6 mph | ↑ | 53% | 55% | 0.07" | 7 (High) | 5:23 am | 8:28 pm |
| Mon Jun 30 | | 88 / 72 °F | Isolated tstorms late. Afternoon clouds. | 94 °F | 10 mph | ↑ | 61% | 50% | 0.03" | 5 (Moderate) | 5:23 am | 8:28 pm |
| Tue Jul 1 |  | 87 / 73 °F | Afternoon clouds. | 87 °F | 8 mph | ↑ | 42% | 6% | 0.00" | 7 (High) | 5:24 am | 8:28 pm |
| Wed Jul 2 |  | 87 / 73 °F | Cloudy. | 94 °F | 3 mph | ↑ | 65% | 6% | 0.00" | 3 (Moderate) | 5:24 am | 8:27 pm |
| * Updated Tuesday, June 17, 2025 5:24:10 pm Port Jefferson time - Weather by CustomWeather, © 2025 | ||||||||||||