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Flood Watch FLOOD WATCH - Nassau

Regional Radar Regional IR Satellite
Radar/Satellite images courtesy of Weather Underground.
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METRIC | IMPERIAL
Updated: 07/28/2026 @ 12:25 am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.8°F than last hour.

72.1°F

---
High Today
72.3°F
12:00 AM 		Low Today
72.1°F
12:22 AM
Yest High
84.4°F
11:29 AM 		Yest Low
59.7°F
2:35 AM
Rec* High
66.0°F
1991 		Rec* Low
9.0°F
2015
* Records from Weather Underground
Clear Clear

Wind from SSE Wind:  SSE
0.0
Gusting to:
 1.1 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
0.8 of 100
Rest of
tonight
Mostly Cloudy
Mostly Cloudy 		Tuesday

Thunder storm
Thunder storm 		Tuesday
night
Thunder storm
Thunder storm
Low: 68°F High: 83°F Low: 64°F

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.4°F since last hour. 65.9°F
Last Hour: Decreased 0.4°F since last hour. 0.4°F
High 12:00 AM: 66.1°F
Low 12:22 AM: 65.9°F
Record High: 82.2°F on
Jul-25-2025
Record Low: -14.8°F on
Jan-24-2026
Wetbulb: 68.2°F
Rain Today
rain graph
Today: 0.00 in
Yesterday: 0.01 in
Last 7 Days: 0.01 in
Jul Rain: 5.04 in
Jul Avg: 3.10 in
Diff from Avg: Over 1.94 in for the month 1.94 in
Season:1 17.840 in
Last YTD:1 24.00 in
Last Rain
Time/Date: 		Jul-27-2026
at 2:37 PM
73 rain days in 2026
9 days in July
1 day since last rain
Current: SSE  0.0 mph
1Hr Average: 0.1 mph
Wind Run: 0.00 miles
Wind Gust
Current: 1.1 mph
Today: 2.3 mph 12:13 AM
Month: 14.8 mph Jul-4
Year: 25.3 mph Mar-17
Record Gust: 38.0 mph
Mar-23-2024
Sunlight:
14 h 32 m 11 s
of Sunlight Yesterday
14 h 30 m 16 s
of Sunlight Today Which is
1 min 55 sec shorter than
yesterday
14 h 28 m 19 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Gibbous
Waxing Gibbous, 13 days, 18 hours, 46 minutes in cycle
98%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 81%
Last Hour: Increased 1% since last hour. 1%
High 12:00 AM: 81%
Low 12:00 AM: 81%
Record High: 99%
Jan-9-2024
Record Low: 6%
May-11-2025
Current: Falling 0.02 inHg/hr 29.770 inHg
Last Hour: Steady
High 12:06 AM: 29.770
Low 12:00 AM: 29.760
Record High: 30.939 inHg
Dec-14-2024
Record Low: 28.981 inHg
Feb-16-2025
Cooling Degree Days Snow3 Heat Index Air
Today: 0.1
Jul: 248.2
2026 to Date: 469.0
Heating Degree Days
2026 to Date: 3518.1
Today: 0.00 in
Yesterday: 0.00 in
Jul Snow: No Change 0.00 in
Jul Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 4.00 in
0 snow days in July
0 snow days this season.2
First Snow of Season:
Jan-1-2026
Average 1st Snow:
19 of Dec
Current: 72.1°F
High 12:00 am: 72.3°F
Yesterday: 87.6°F
Record: 114.4°F
Jul-3-2026
Data Not
Available

Data Not Available
Density:
1.18 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   6.0 @ 10:21 AM
Jul-28

8.0 		Jul-29

7.3 		Jul-30

7.9
High Yest:   702.3 @ 3:08 PM
Sun Hours Today:
00:00
   This Month: 38:44 Hrs
Rise: 5:44 am  Set: 8:12 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 50.3°F
Sunrise: 5:44 am
Sunset: 8:12 pm
Moonrise: 7:27 pm
Moonset: 4:25 am
Full Moon: Jul-29-2026
New Moon: 17:37 UTC
Aug-12-2026
Updated at Midnight
Current ET: 0.03 in
7-Days Rain: 0.01 in
7-Days ET: 1.00 in
7-Day: 0.994 in water in deficit of what evaporated in last 7 days. 0.994 in
July: 0.94 in water in excess of what evaporated this month. 0.94 in
HIGHS: LOWS:
101.5°F
Jun-24-2025 		-2.4°F
Jan-31-2026
Daytime Records
  97.7°F°F
Jun-24-2025 		  11.8°F°F
Feb-07-2026
Nitetime Records
  82.6°F°F
Jun-26-2025 		  6.3°F°F
Feb-08-2026
ICN:1 | S3C2:6 | Ajax 3.xx
ISS:Ok |
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Updated at 7:00 AM Daily..   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Source: New York State Department of Environmental Conservation.  
 WXSIM Weather Forecast  -   Outlook Rest of tonight & Tuesday
Rest of
tonight
Mostly Cloudy
Mostly Cloudy
Low: 68°F 		WXSIM forecast: Mostly cloudy. A slight chance of rain. Precipitation showery or intermittent. Low 68°. Wind south-southeast around 6 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
 Tuesday

Thunder storm
Thunder storm
High: 83°F 		WXSIM forecast: Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Rain likely. Scattered thundershowers possible. High 83°. UV index up to 6. Wind south-southeast around 8 mph, gusting to 20 mph, in the morning, becoming 13 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch.
 WXSIM Short Term Weather Forecast
Tuesday
night
Thunder storm
Thunder storm 		Wednesday

Thunder storm
Thunder storm 		Wednesday
night
Thunder storm
Thunder storm 		Thursday

Chance rain
Chance rain 		Thursday
night
Partly Cloudy
Partly Cloudy 		Friday

Mostly Cloudy
Mostly Cloudy 		Friday
night
Partly Cloudy
Partly Cloudy
Low: 64°F High: 85°F Low: 63°F High: 81°F Low: 64°F High: 79°F Low: 63°F