Town of North Hempstead, New York

Last updated: 2:08 PM CDT  ·  Refresh
21°C
Feels like 20°
Overcast
▲ 21°  /  ▼ 17°
Wind
10 mph N
Humidity
83%
Dew Point
18°
Pressure
29.91 inHg
Visibility
10 mi
UV Index
4.2
Cloud Cover
88%
Sunrise
5:30 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Town of North Hempstead is currently overcast at 21°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:30AM · Sunset: 8:28PM.

Alerts

No active alerts for this location.
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
27%
4 PM
18°
25%
5 PM
21°
3%
6 PM
20°
20%
7 PM
19°
19%
8 PM
19°
31%
9 PM
19°
15%
10 PM
19°
14%
11 PM
19°
14%
12 AM
19°
3%
1 AM
18°
3%
2 AM
18°
3%
3 AM
18°
3%
4 AM
17°
3%
5 AM
17°
3%
6 AM
17°
3%
7 AM
17°
3%
8 AM
17°
3%
9 AM
17°
3%
10 AM
19°
3%
11 AM
19°
3%
12 PM
20°
3%
1 PM
22°
3%
2 PM
23°
3%
7-Day Forecast
Today
21° 17°
Overcast with a 27% chance of rain.
Wed
25° 17°
Partly Cloudy.
Thu
27° 19°
Mostly Cloudy with a 56% chance of rain.
Fri
29° 22°
Rain, 68% chance.
Sat
29° 21°
Clear.
Sun
25° 17°
Rain, 29% chance.
Mon
24° 16°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Overcast 27% 10 mph N 83%
4 PM 18° Mostly Cloudy 25% 10 mph NNE 81%
5 PM 21° Mostly Cloudy 3% 10 mph NNE 80%
6 PM 20° Overcast 20% 10 mph NNE 82%
7 PM 19° Overcast 19% 9 mph NNE 83%
8 PM 19° Overcast 31% 8 mph NNE 85%
9 PM 19° Overcast 15% 8 mph NNE 86%
10 PM 19° Mostly Cloudy 14% 8 mph NNE 86%
11 PM 19° Mostly Cloudy 14% 6 mph NNE 85%
12 AM 19° Overcast 3% 6 mph NNE 86%
1 AM 18° Overcast 3% 6 mph N 87%
2 AM 18° Mostly Cloudy 3% 7 mph N 89%
3 AM 18° Mostly Cloudy 3% 7 mph N 90%
4 AM 17° Mostly Cloudy 3% 7 mph N 91%
5 AM 17° Mostly Cloudy 3% 6 mph N 91%
6 AM 17° Mostly Cloudy 3% 6 mph N 89%
7 AM 17° Mostly Cloudy 3% 6 mph N 86%
8 AM 17° Mostly Cloudy 3% 6 mph NNE 82%
9 AM 17° Mostly Cloudy 3% 5 mph NNE 78%
10 AM 19° Mostly Cloudy 3% 5 mph NNE 74%
11 AM 19° Mostly Cloudy 3% 4 mph NNE 71%
12 PM 20° Mostly Cloudy 3% 3 mph NNE 69%
1 PM 22° Partly Cloudy 3% 3 mph NE 67%
2 PM 23° Partly Cloudy 3% 4 mph S 65%
15-Day Forecast
Today
7/7
Overcast
27%
17°
21°
Wed
7/8
Partly Cloudy
3%
17°
25°
Thu
7/9
Mostly Cloudy
56%
19°
27°
Fri
7/10
Rain
68%
22°
29°
Sat
7/11
Clear
17%
21°
29°
Sun
7/12
Rain
29%
17°
25°
Mon
7/13
Rain
28%
16°
24°
Tue
7/14
Clear
42%
16°
26°
Wed
7/15
Drizzle
68%
21°
28°
Thu
7/16
Rain
68%
22°
27°
Fri
7/17
Drizzle
60%
22°
28°
Sat
7/18
Drizzle
60%
22°
28°
Sun
7/19
Drizzle
60%
21°
27°
Mon
7/20
Drizzle
60%
21°
27°
Tue
7/21
Drizzle
60%
21°
27°
28
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
23 AQI 4.2 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 28 Good 28 23
Thu 64 Moderate 64 34
Fri 44 Good 44 39
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 7, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE21 J/kg
MLCAPE15 J/kg
MUCAPE27 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index3.7
Kinematics
0–6 km Shear33 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH20
0–3 km SRH-67
Eff. SRH—
Storm Motion207° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index33.5
Thermo & Levels
PWAT1.95 in
0–3 km LR4.1 °C/km
700–500 LR5.7 °C/km
Total Totals44.8
LCL974 hPa
LFC1013 hPa
EL921 hPa
Freezing Lvl14,583 ft