Town of North Hempstead, New York

Last updated: 1:07 PM CDT  ·  Refresh
20°C
Feels like 20°
Overcast
▲ 21°  /  ▼ 17°
Wind
9 mph N
Humidity
83%
Dew Point
18°
Pressure
29.91 inHg
Visibility
8 mi
UV Index
4.0
Cloud Cover
92%
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 20°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
20°
11%
3 PM
18°
11%
4 PM
18°
11%
5 PM
20°
20%
6 PM
20°
19%
7 PM
19°
18%
8 PM
19°
17%
9 PM
19°
3%
10 PM
19°
3%
11 PM
19°
3%
12 AM
18°
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
18°
3%
10 AM
19°
3%
11 AM
19°
3%
12 PM
23°
3%
1 PM
24°
3%
7-Day Forecast
Today
21° 17°
Overcast with a 20% chance of rain.
Wed
24° 17°
Partly Cloudy.
Thu
27° 19°
Mostly Cloudy with a 56% chance of rain.
Fri
29° 22°
Rain, 68% chance.
Sat
28° 21°
Clear.
Sun
24° 17°
Heavy Rain, 82% chance.
Mon
23° 16°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Overcast 11% 9 mph N 83%
3 PM 18° Overcast 11% 10 mph NNE 81%
4 PM 18° Mostly Cloudy 11% 10 mph NNE 81%
5 PM 20° Mostly Cloudy 20% 10 mph NNE 80%
6 PM 20° Overcast 19% 10 mph NNE 82%
7 PM 19° Overcast 18% 9 mph NNE 82%
8 PM 19° Overcast 17% 8 mph NNE 84%
9 PM 19° Overcast 3% 8 mph NNE 84%
10 PM 19° Mostly Cloudy 3% 8 mph NNE 84%
11 PM 19° Mostly Cloudy 3% 7 mph NNE 84%
12 AM 18° Mostly Cloudy 3% 6 mph N 86%
1 AM 18° Mostly Cloudy 3% 6 mph N 88%
2 AM 18° Mostly Cloudy 3% 7 mph N 90%
3 AM 18° Mostly Cloudy 3% 7 mph N 90%
4 AM 17° Partly Cloudy 3% 7 mph N 91%
5 AM 17° Partly Cloudy 3% 7 mph N 92%
6 AM 17° Partly Cloudy 3% 6 mph N 90%
7 AM 17° Partly Cloudy 3% 6 mph N 88%
8 AM 17° Partly Cloudy 3% 6 mph N 83%
9 AM 18° Partly Cloudy 3% 6 mph N 79%
10 AM 19° Partly Cloudy 3% 5 mph NNE 75%
11 AM 19° Partly Cloudy 3% 5 mph NNE 71%
12 PM 23° Partly Cloudy 3% 2 mph NE 64%
1 PM 24° Partly Cloudy 3% 2 mph SSE 61%
15-Day Forecast
Today
7/7
Overcast
20%
17°
21°
Wed
7/8
Partly Cloudy
3%
17°
24°
Thu
7/9
Mostly Cloudy
56%
19°
27°
Fri
7/10
Rain
68%
22°
29°
Sat
7/11
Clear
17%
21°
28°
Sun
7/12
Heavy Rain
82%
17°
24°
Mon
7/13
Rain
82%
16°
23°
Tue
7/14
Drizzle
42%
16°
26°
Wed
7/15
Rain
68%
21°
28°
Thu
7/16
Rain
68%
22°
27°
Fri
7/17
Drizzle
60%
22°
27°
Sat
7/18
Drizzle
60%
22°
27°
Sun
7/19
Drizzle
60%
21°
27°
Mon
7/20
Drizzle
60%
21°
26°
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, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE16 J/kg
MLCAPE18 J/kg
MUCAPE47 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index3.6
Kinematics
0–6 km Shear31 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH67
0–3 km SRH-35
Eff. SRH—
Storm Motion207° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index34.6
Thermo & Levels
PWAT1.97 in
0–3 km LR4.0 °C/km
700–500 LR6.0 °C/km
Total Totals46.4
LCL976 hPa
LFC1013 hPa
EL937 hPa
Freezing Lvl14,836 ft