10 day forecast for Holtsville

today, 17 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 14 to 19°		Mostly clear	755	78%	5, north-easterly	14°
day, 19 to 20°		Partly cloudy	756	66%	5, north-easterly	19°
evening, 15 to 19°		Overcast	757	76%	3, north-easterly	16°
night, 13 to 15°		Overcast	757	83%	3, north-easterly	12°

Sunrise: 05:32

Sunset: 20:04

Daylight hours: 14 hr 32 min

Waxing gibbous

UV Index: 7, High
Water temperature: +12 ⁠°C
Magnetic field: quiet

tomorrow, 18 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 14 to 17°		Partly cloudy	758	78%	4, north-easterly	14°
day, 17 to 18°		Partly cloudy	757	70%	4, north-easterly	19°
evening, 14 to 16°		Partly cloudy	758	81%	2, easterly	14°
night, 13 to 14°		Overcast	758	89%	3, northerly	11°

Sunrise: 05:32

Sunset: 20:05

Daylight hours: 14 hr 33 min

Waxing gibbous

UV Index: 6, High
Water temperature: +13 ⁠°C
Magnetic field: quiet

Sunday, 19 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 14 to 18°		Partly cloudy	758	80%	4, north-easterly	15°
day, 18 to 20°		Partly cloudy	758	67%	4, north-easterly	19°
evening, 14 to 17°		Mostly clear	759	78%	3, south-easterly	15°
night, 11 to 13°		Clear	759	89%	2, north-easterly	11°

Sunrise: 05:31

Sunset: 20:06

Daylight hours: 14 hr 35 min

Waxing gibbous

UV Index: 8, Very high
Water temperature: +13 ⁠°C
Magnetic field: quiet

Monday, 20 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 12 to 18°		Mostly clear	759	82%	3, north-easterly	15°
day, 17 to 19°		Partly cloudy	759	66%	4, southerly	18°
evening, 14		Partly cloudy	759	83%	3, southerly	12°
night, 12		Mostly clear	758	90%	3, south-westerly	10°

Sunrise: 05:30

Sunset: 20:07

Daylight hours: 14 hr 37 min

Waxing gibbous

UV Index: 8, Very high
Water temperature: +14 ⁠°C
Magnetic field: quiet

Tuesday, 21 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 16 to 19°		Partly cloudy	759	75%	4, south-westerly	16°
day, 18 to 19°		Partly cloudy	758	70%	5, southerly	17°
evening, 14		Partly cloudy	757	80%	4, southerly	12°
night, 14		Mostly clear	757	89%	3, south-westerly	12°

Sunrise: 05:29

Sunset: 20:08

Daylight hours: 14 hr 39 min

Waxing gibbous

UV Index: 1, Low
Water temperature: +14 ⁠°C

Wednesday, 22 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 17 to 20°		Partly cloudy	757	76%	5, south-westerly	17°
day, 20 to 21°		Partly cloudy	756	70%	5, southerly	19°
evening, 17		Partly cloudy	754	82%	4, southerly	15°
night, 15 to 16°		Mostly clear	754	87%	4, south-westerly	15°

Sunrise: 05:28

Sunset: 20:08

Daylight hours: 14 hr 40 min

Waxing gibbous

Water temperature: +15 ⁠°C

Thursday, 23 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 18 to 20°		Partly cloudy	753	81%	6, south-westerly	17°
day, 20 to 21°		Partly cloudy	751	78%	6, southerly	19°
evening, 18		Partly cloudy	752	87%	4, south-westerly	17°
night, 16 to 17°		Partly cloudy	751	88%	4, south-westerly	15°

Sunrise: 05:28

Sunset: 20:09

Daylight hours: 14 hr 41 min

Full moon

Water temperature: +15 ⁠°C

Friday, 24 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 18 to 21°		Partly cloudy	753	71%	4, westerly	19°
day, 21 to 22°		Partly cloudy	752	60%	5, south-westerly	20°
evening, 17		Partly cloudy	752	75%	3, southerly	15°
night, 14 to 15°		Partly cloudy	751	78%	4, south-westerly	13°

Sunrise: 05:27

Sunset: 20:10

Daylight hours: 14 hr 43 min

Full moon

Water temperature: +15 ⁠°C

Saturday, 25 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 17 to 19°		Partly cloudy	752	66%	5, westerly	15°
day, 20		Partly cloudy	752	62%	5, south-westerly	17°
evening, 17		Partly cloudy	752	71%	3, south-westerly	15°
night, 13 to 14°		Partly cloudy	753	81%	4, south-westerly	11°

Sunrise: 05:26

Sunset: 20:11

Daylight hours: 14 hr 45 min

Waning gibbous

Sunday, 26 May

			Pressure, millimeters of mercury	Humidity	Wind, Meters per second	Feels like
morning, 16 to 18°		Partly cloudy	755	73%	6, westerly	14°
day, 19		Partly cloudy	754	70%	6, south-westerly	16°
evening, 16		Partly cloudy	756	75%	4, westerly	14°
night, 14 to 15°		Partly cloudy	756	80%	4, south-westerly	12°

Sunrise: 05:26

Sunset: 20:12

Daylight hours: 14 hr 46 min

Waning gibbous