Weather in Holtsville New York, United States. 15 days forecast
Current weather conditions
Sky / Temperature 43°F | Wind 7 mi/h | Atmospheric pressure1020 hPa | Humidity93% | Wind chill37°F | Dewpoint41°F |
Updated: 3/15/2025 at 05:04 (Local time)
Weather Station: Islip, Long Island Mac Arthur Airport
°F°C
mi/hkm/h
Weather forecast 15 days
15-day weather forecast with temperatures, sky state, wind speed and direction, cloud percentage, probability of precipitation, accumulated precipitation, humidity, atmospheric pressure, sunrise and sunset times, moonrise and moonset times, and daily moon phase. Weather forecast for Holtsville.
Today, march 15
47°F38°F
7:0818:57
20:3407:33
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 06:00 | 41°F | 1 mi/h | 1020 hPa | 96% | 93% | 0% | 0 mm |
| 09:00 | 41°F | 3 mi/h | 1021 hPa | 92% | 93% | 16% | 0 mm |
| 12:00 | 46°F | 6 mi/h | 1022 hPa | 81% | 91% | 6% | 0 mm |
| 13:00 | 46°F | 7 mi/h | 1021 hPa | 77% | 89% | 6% | 0 mm |
| 15:00 | 46°F | 7 mi/h | 1020 hPa | 80% | 87% | 12% | 0 mm |
| 16:00 | 46°F | 6 mi/h | 1020 hPa | 80% | 86% | 12% | 0 mm |
| 18:00 | 46°F | 5 mi/h | 1020 hPa | 85% | 90% | 12% | 0 mm |
| 21:00 | 45°F | 6 mi/h | 1019 hPa | 94% | 93% | 23% | 0 mm |
Tomorrow, march 16
57°F47°F
7:0618:58
21:3607:52
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 46°F | 7 mi/h | 1018 hPa | 97% | 93% | 23% | 0 mm |
| 03:00 | 48°F |  8 mi/h | 1018 hPa | 97% | 91% | 30% | 0 mm |
| 06:00 | 50°F | 11 mi/h | 1017 hPa | 96% | 90% | 30% | 0 mm |
| 09:00 | 52°F | 14 mi/h | 1017 hPa | 88% | 83% | 16% | 0 mm |
| 12:00 | 57°F | 17 mi/h | 1016 hPa | 78% | 83% | 16% | 0 mm |
| 15:00 | 55°F | 19 mi/h | 1014 hPa | 78% | 85% | 25% | 0 mm |
| 18:00 | 54°F | 19 mi/h | 1012 hPa | 85% | 91% | 31% | 0 mm |
| 21:00 | 54°F | 18 mi/h | 1012 hPa | 92% | 96% | 87% | 2.9 mm |
Monday, march 17
53°F42°F
7:0418:59
22:3708:12
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 52°F | 17 mi/h | 1011 hPa | 97% | 97% | 87% | 2.9 mm |
| 03:00 | 52°F |  14 mi/h | 1010 hPa | 95% | 96% | 93% | 3.4 mm |
| 06:00 | 50°F | 9 mi/h | 1010 hPa | 93% | 97% | 93% | 3.4 mm |
| 09:00 | 52°F | 6 mi/h | 1011 hPa | 87% | 96% | 72% | 1.9 mm |
| 12:00 | 54°F |  7 mi/h | 1011 hPa | 79% | 94% | 72% | 1.9 mm |
| 15:00 | 52°F | 10 mi/h | 1011 hPa | 74% | 91% | 51% | 0.3 mm |
| 18:00 | 48°F | 9 mi/h | 1012 hPa | 74% | 76% | 51% | 0.3 mm |
| 21:00 | 45°F | 7 mi/h | 1013 hPa | 70% | 52% | 26% | 0.5 mm |
Tuesday, march 18
52°F37°F
7:0319:00
23:4108:36
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 41°F | 6 mi/h | 1015 hPa | 73% | 41% | 26% | 0.3 mm |
| 03:00 | 39°F | 6 mi/h | 1015 hPa | 75% | 33% | 0% | 0 mm |
| 06:00 | 37°F | 6 mi/h | 1017 hPa | 74% | 31% | 0% | 0 mm |
| 09:00 | 39°F | 6 mi/h | 1019 hPa | 69% | 26% | 0% | 0 mm |
| 12:00 | 46°F | 7 mi/h | 1019 hPa | 55% | 16% | 0% | 0 mm |
| 15:00 | 52°F | 7 mi/h | 1018 hPa | 49% | 12% | 0% | 0 mm |
| 18:00 | 48°F | 5 mi/h | 1018 hPa | 56% | 17% | 0% | 0 mm |
| 21:00 | 46°F | 3 mi/h | 1020 hPa | 63% | 20% | 0% | 0 mm |
Wednesday, march 19
54°F41°F
7:0119:01
----09:04
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 43°F | 2 mi/h | 1021 hPa | 69% | 21% | 0% | 0 mm |
| 03:00 | 43°F | 2 mi/h | 1020 hPa | 74% | 23% | 0% | 0 mm |
| 06:00 | 41°F | 3 mi/h | 1020 hPa | 77% | 30% | 0% | 0 mm |
| 09:00 | 43°F |  4 mi/h | 1020 hPa | 75% | 36% | 0% | 0 mm |
| 12:00 | 50°F | 8 mi/h | 1018 hPa | 63% | 39% | 0% | 0 mm |
| 15:00 | 54°F | 9 mi/h | 1016 hPa | 59% | 44% | 0% | 0 mm |
| 18:00 | 50°F | 6 mi/h | 1014 hPa | 69% | 54% | 4% | 0 mm |
| 21:00 | 46°F | 4 mi/h | 1013 hPa | 78% | 62% | 0% | 0 mm |
Thursday, march 20
56°F45°F
6:5919:02
00:4409:39
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 46°F | 5 mi/h | 1011 hPa | 85% | 64% | 0% | 0 mm |
| 03:00 | 45°F | 6 mi/h | 1009 hPa | 90% | 68% | 0% | 0 mm |
| 06:00 | 46°F | 8 mi/h | 1007 hPa | 92% | 75% | 0% | 0 mm |
| 09:00 | 48°F | 10 mi/h | 1006 hPa | 89% | 79% | 4% | 0 mm |
| 12:00 | 54°F | 14 mi/h | 1005 hPa | 77% | 75% | 4% | 0 mm |
| 15:00 | 55°F | 16 mi/h | 1004 hPa | 71% | 73% | 4% | 0 mm |
| 18:00 | 52°F | 14 mi/h | 1005 hPa | 78% | 76% | 4% | 0 mm |
| 21:00 | 48°F | 13 mi/h | 1007 hPa | 82% | 77% | 31% | 0.4 mm |
Friday, march 21
46°F37°F
6:5819:03
01:4710:22
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 46°F | 12 mi/h | 1008 hPa | 82% | 75% | 31% | 0.4 mm |
| 03:00 | 45°F | 11 mi/h | 1008 hPa | 80% | 70% | 31% | 0.4 mm |
| 06:00 | 41°F | 11 mi/h | 1009 hPa | 75% | 57% | 31% | 0.2 mm |
| 09:00 | 41°F |  11 mi/h | 1010 hPa | 67% | 48% | 50% | 0.2 mm |
| 12:00 | 43°F | 13 mi/h | 1009 hPa | 51% | 43% | 50% | 0.1 mm |
| 15:00 | 45°F | 14 mi/h | 1009 hPa | 42% | 38% | 0% | 0 mm |
| 18:00 | 43°F | 11 mi/h | 1011 hPa | 45% | 33% | 0% | 0 mm |
| 21:00 | 39°F | 15 mi/h | 1013 hPa | 46% | 36% | 0% | 0 mm |
Saturday, march 22
47°F33°F
6:5619:04
02:4411:16
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 36°F | 14 mi/h | 1015 hPa | 49% | 24% | 0% | 0 mm |
| 03:00 | 34°F | 13 mi/h | 1016 hPa | 51% | 22% | 0% | 0 mm |
| 06:00 | 34°F | 12 mi/h | 1018 hPa | 52% | 23% | 0% | 0 mm |
| 09:00 | 37°F | 12 mi/h | 1019 hPa | 49% | 30% | 0% | 0 mm |
| 12:00 | 45°F | 12 mi/h | 1018 hPa | 39% | 46% | 0% | 0 mm |
| 15:00 | 46°F | 12 mi/h | 1017 hPa | 39% | 52% | 0% | 0 mm |
| 18:00 | 46°F | 10 mi/h | 1015 hPa | 49% | 56% | 17% | 0.1 mm |
| 21:00 | 43°F | 7 mi/h | 1014 hPa | 60% | 60% | 17% | 0.3 mm |
Sunday, march 23
51°F39°F
6:5419:05
03:3512:18
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 41°F | 5 mi/h | 1011 hPa | 69% | 63% | 17% | 0.6 mm |
| 03:00 | 39°F | 2 mi/h | 1008 hPa | 75% | 64% | 17% | 0.3 mm |
| 06:00 | 39°F | 4 mi/h | 1007 hPa | 75% | 60% | 17% | 0 mm |
| 09:00 | 41°F | 7 mi/h | 1008 hPa | 69% | 57% | 0% | 0 mm |
| 12:00 | 46°F | 8 mi/h | 1009 hPa | 55% | 52% | 0% | 0 mm |
| 15:00 | 50°F | 9 mi/h | 1010 hPa | 50% | 50% | 0% | 0 mm |
| 18:00 | 46°F | 7 mi/h | 1011 hPa | 58% | 49% | 0% | 0 mm |
| 21:00 | 45°F | 6 mi/h | 1014 hPa | 65% | 46% | 0% | 0 mm |
Monday, march 24
49°F40°F
6:5319:06
04:1813:28
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 43°F | 5 mi/h | 1016 hPa | 72% | 45% | 0% | 0 mm |
| 03:00 | 41°F | 4 mi/h | 1018 hPa | 76% | 34% | 0% | 0 mm |
| 06:00 | 41°F | 3 mi/h | 1019 hPa | 76% | 41% | 0% | 0 mm |
| 09:00 | 41°F | 2 mi/h | 1021 hPa | 73% | 59% | 17% | 0 mm |
| 12:00 | 46°F | 6 mi/h | 1021 hPa | 64% | 62% | 17% | 0.1 mm |
| 15:00 | 48°F | 8 mi/h | 1020 hPa | 62% | 64% | 17% | 0.6 mm |
| 18:00 | 46°F | 7 mi/h | 1018 hPa | 70% | 68% | 17% | 0.7 mm |
| 21:00 | 45°F | 7 mi/h | 1016 hPa | 76% | 71% | 17% | 0.6 mm |
Tuesday, march 25
52°F43°F
6:5119:07
04:5414:42
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 45°F | 6 mi/h | 1014 hPa | 82% | 72% | 17% | 0.2 mm |
| 03:00 | 43°F | 5 mi/h | 1012 hPa | 85% | 74% | 17% | 0.2 mm |
| 06:00 | 43°F | 5 mi/h | 1011 hPa | 86% | 77% | 17% | 0.2 mm |
| 09:00 | 45°F | 7 mi/h | 1010 hPa | 84% | 77% | 17% | 0.5 mm |
| 12:00 | 48°F | 9 mi/h | 1008 hPa | 77% | 74% | 17% | 0.2 mm |
| 15:00 | 52°F | 11 mi/h | 1005 hPa | 74% | 71% | 17% | 0.4 mm |
| 18:00 | 50°F | 10 mi/h | 1003 hPa | 78% | 72% | 17% | 0.6 mm |
| 21:00 | 48°F | 11 mi/h | 1003 hPa | 87% | 81% | 17% | 0.2 mm |
Wednesday, march 26
50°F43°F
6:4919:08
05:2515:58
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 11 mi/h | 1003 hPa | 98% | 100% | 0% | 0 mm |
| 03:00 | 48°F | 11 mi/h | 1003 hPa | 90% | 100% | 0% | 0 mm |
| 06:00 | 48°F | 16 mi/h | 1005 hPa | 73% | 69% | 0% | 0 mm |
| 09:00 | 48°F | 17 mi/h | 1006 hPa | 66% | 27% | 0% | 0 mm |
| 12:00 | 48°F | 18 mi/h | 1007 hPa | 59% | 67% | 0% | 0 mm |
| 15:00 | 50°F | 18 mi/h | 1007 hPa | 56% | 52% | 0% | 0 mm |
| 18:00 | 50°F | 17 mi/h | 1009 hPa | 55% | 49% | 0% | 0 mm |
| 21:00 | 46°F | 19 mi/h | 1012 hPa | 58% | 70% | 0% | 0 mm |
Thursday, march 27
49°F38°F
6:4819:09
05:5117:15
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 43°F | 20 mi/h | 1014 hPa | 57% | 7% | 0% | 0 mm |
| 03:00 | 39°F | 21 mi/h | 1016 hPa | 57% | 31% | 0% | 0 mm |
| 06:00 | 39°F | 21 mi/h | 1018 hPa | 57% | 59% | 0% | 0 mm |
| 09:00 | 41°F | 17 mi/h | 1020 hPa | 55% | 15% | 0% | 0 mm |
| 12:00 | 45°F | 13 mi/h | 1020 hPa | 46% | 47% | 0% | 0 mm |
| 15:00 | 48°F | 11 mi/h | 1020 hPa | 42% | 75% | 0% | 0 mm |
| 18:00 | 48°F | 11 mi/h | 1019 hPa | 50% | 100% | 0% | 0 mm |
| 21:00 | 46°F | 11 mi/h | 1018 hPa | 66% | 100% | 17% | 0.1 mm |
Friday, march 28
59°F45°F
6:4619:10
06:1518:32
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 45°F | 12 mi/h | 1016 hPa | 76% | 100% | 0% | 0 mm |
| 03:00 | 46°F | 18 mi/h | 1012 hPa | 79% | 100% | 0% | 0 mm |
| 06:00 | 46°F | 16 mi/h | 1009 hPa | 85% | 100% | 17% | 0.1 mm |
| 09:00 | 48°F | 13 mi/h | 1008 hPa | 80% | 84% | 0% | 0 mm |
| 12:00 | 54°F | 13 mi/h | 1008 hPa | 69% | 36% | 0% | 0 mm |
| 15:00 | 59°F | 13 mi/h | 1008 hPa | 50% | 35% | 0% | 0 mm |
| 18:00 | 57°F | 12 mi/h | 1010 hPa | 44% | 99% | 0% | 0 mm |
| 21:00 | 54°F | 10 mi/h | 1012 hPa | 55% | 100% | 0% | 0 mm |
Saturday, march 29
47°F42°F
6:4419:12
06:4019:51
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F |  11 mi/h | 1015 hPa | 66% | 76% | 0% | 0 mm |
| 03:00 | 43°F | 10 mi/h | 1017 hPa | 67% | 21% | 0% | 0 mm |
| 06:00 | 43°F | 8 mi/h | 1019 hPa | 67% | 33% | 0% | 0 mm |
| 09:00 | 43°F | 7 mi/h | 1020 hPa | 63% | 83% | 0% | 0 mm |
| 12:00 | 46°F | 5 mi/h | 1021 hPa | 54% | 87% | 0% | 0 mm |
| 15:00 | 46°F | 6 mi/h | 1021 hPa | 53% | 100% | 0% | 0 mm |
| 18:00 | 45°F | 7 mi/h | 1020 hPa | 60% | 100% | 0% | 0 mm |
| 21:00 | 45°F | 7 mi/h | 1020 hPa | 65% | 100% | 0% | 0 mm |
