Central Islip Weather Forecast 15 Days, Weather in Central Islip Today
Current weather conditions and 15 day weather forecast for Central Islip, New York, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Central Islip
| 05 August 2026 Wednesday 28.1 ° C / 82.6°F  Sunny |
Feels Like : 28.5 ° C / 83.3°F Humidity : % 50 Pressure : 1021 mb Wind Speed : 9 kmph / 5.6 miles from S  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 19 |
15 day weather forecast for Central Islip, NY, USA
Weather Forecast for next 15 Days for Central Islip including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Central Islip, New York state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 August 2026 Wednesday | Sunny |
18.1 ° C (64.6°F) |
29.3 ° C (84.7°F) |
23.2 ° C (73.7°F) |
% 74 | 9% | 7.6 | Sunrise:05:53 AM Sunset: 08:04 PM |
Moonrise:11:11 PM Moonset: 01:09 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday | Sunny |
23.7 ° C (74.7°F) |
30.4 ° C (86.8°F) |
26.9 ° C (80.5°F) |
% 77 | 23% | 9.2 | Sunrise:05:54 AM Sunset: 08:03 PM |
Moonrise:11:45 PM Moonset: 02:19 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Sunny |
24.8 ° C (76.6°F) |
32.4 ° C (90.2°F) |
28.1 ° C (82.6°F) |
% 70 | 37% | 8 | Sunrise:05:55 AM Sunset: 08:01 PM |
Moonrise:Does not rise today Moonset: 03:31 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
22.9 ° C (73.2°F) |
30.1 ° C (86.2°F) |
26.3 ° C (79.3°F) |
% 73 | 68% | 7 | Sunrise:05:56 AM Sunset: 08:00 PM |
Moonrise:12:30 AM Moonset: 04:41 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
24 ° C (75.2°F) |
33 ° C (91.4°F) |
28.2 ° C (82.8°F) |
% 65 | 17% | 8 | Sunrise:05:57 AM Sunset: 07:59 PM |
Moonrise:01:26 AM Moonset: 05:45 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
26.8 ° C (80.3°F) |
33.3 ° C (91.9°F) |
29.6 ° C (85.3°F) |
% 60 | 4% | 8 | Sunrise:05:58 AM Sunset: 07:58 PM |
Moonrise:02:36 AM Moonset: 06:38 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
24.6 ° C (76.2°F) |
30.5 ° C (86.9°F) |
27.5 ° C (81.5°F) |
% 62 | 7% | 8 | Sunrise:05:59 AM Sunset: 07:56 PM |
Moonrise:03:55 AM Moonset: 07:20 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday |  Patchy rain nearby |
22.6 ° C (72.6°F) |
26.1 ° C (78.9°F) |
24.4 ° C (75.9°F) |
% 63 | 17% | 7 | Sunrise:06:00 AM Sunset: 07:55 PM |
Moonrise:05:18 AM Moonset: 07:54 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
20.6 ° C (69.2°F) |
27.6 ° C (81.7°F) |
24.2 ° C (75.5°F) |
% 56 | 4% | 7 | Sunrise:06:01 AM Sunset: 07:54 PM |
Moonrise:06:40 AM Moonset: 08:23 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
22.4 ° C (72.3°F) |
28.9 ° C (84°F) |
25.7 ° C (78.2°F) |
% 48 | 2% | 7 | Sunrise:06:02 AM Sunset: 07:52 PM |
Moonrise:07:59 AM Moonset: 08:48 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday |  Partly Cloudy |
22.7 ° C (72.8°F) |
26.1 ° C (79°F) |
24.3 ° C (75.7°F) |
% 62 | 17% | 7 | Sunrise:06:03 AM Sunset: 07:51 PM |
Moonrise:09:15 AM Moonset: 09:12 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Partly Cloudy |
21.3 ° C (70.3°F) |
27.7 ° C (81.9°F) |
23.8 ° C (74.8°F) |
% 66 | 10% | 7 | Sunrise:06:04 AM Sunset: 07:50 PM |
Moonrise:10:28 AM Moonset: 09:37 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Patchy rain nearby |
20.2 ° C (68.4°F) |
24 ° C (75.2°F) |
22.1 ° C (71.7°F) |
% 81 | 80% | 5 | Sunrise:06:05 AM Sunset: 07:48 PM |
Moonrise:11:41 AM Moonset: 10:04 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Patchy rain nearby |
19.8 ° C (67.7°F) |
25.4 ° C (77.8°F) |
21.5 ° C (70.8°F) |
% 79 | 52% | 6 | Sunrise:06:06 AM Sunset: 07:47 PM |
Moonrise:12:52 PM Moonset: 10:34 PM Moon Phase ( First Quarter ) |
|
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