Holtsville, New York, United States Climate Change Severity

57
High
The current climate change severity in Holtsville is High, with a 16.03% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Feb. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Holtsville Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Holtsville temperature has changed by around -205.5%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Feb. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1011
10%
cloudyCloudy
1713
-23.5%
rainyRainy
176
-64.7%
snowySnowy
35
66.6%
mistyMisty
03
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Holtsville has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Holtsville experienced significant changes:

Temperature change of

-3 °C

Variation in annual rainfall

+114.5 %

Change in average humidity

+7.4 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-1.3 day(s)

Coldwave changed by

+6.3 day(s)

Wind speeds changed by

-1.2 km/h

These indicators show that Holtsville is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Feb.

Holtsville Weather Forecast 30 Days (March - April 2026)
Holtsville, New York, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 11, Mar.
fogFog
Temperature Icon8°/2°
Humidity Icon97%
Wind Icon23.4km/h
Thu. 12, Mar.
overcastOvercast
Temperature Icon14°/0°
Humidity Icon81%
Wind Icon29.2km/h
Fri. 13, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/-1°
Humidity Icon58%
Wind Icon32.8km/h
Sat. 14, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/4°
Humidity Icon50%
Wind Icon37.4km/h
Sun. 15, Mar.
overcastOvercast
Temperature Icon9°/4°
Humidity Icon76%
Wind Icon36.4km/h
Mon. 16, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/1°
Humidity Icon84%
Wind Icon37.8km/h
Tue. 17, Mar.
light snowLight snow
Temperature Icon2°/-1°
Humidity Icon56%
Wind Icon25.2km/h
Wed. 18, Mar.
partly cloudyPartly Cloudy
Temperature Icon2°/-2°
Humidity Icon46%
Wind Icon21.6km/h
Thu. 19, Mar.
cloudyCloudy
Temperature Icon3°/0°
Humidity Icon58%
Wind Icon20.9km/h
Fri. 20, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/2°
Humidity Icon74%
Wind Icon28.4km/h
Sat. 21, Mar.
partly cloudyPartly Cloudy
Temperature Icon4°/-3°
Humidity Icon48%
Wind Icon33.8km/h
Sun. 22, Mar.
sunnySunny
Temperature Icon0°/-6°
Humidity Icon39%
Wind Icon36km/h
Mon. 23, Mar.
partly cloudyPartly Cloudy
Temperature Icon1°/-4°
Humidity Icon46%
Wind Icon23km/h
Tue. 24, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/1°
Humidity Icon89%
Wind Icon29.2km/h
Wed. 25, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/4°
Humidity Icon74%
Wind Icon25.2km/h
Thu. 26, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/3°
Humidity Icon71%
Wind Icon25.9km/h
Fri. 27, Mar.
moderate rain at timesModerate rain at times
Temperature Icon9°/2°
Humidity Icon66%
Wind Icon22.7km/h
Sat. 28, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/4°
Humidity Icon74%
Wind Icon27km/h
Sun. 29, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon72%
Wind Icon27.4km/h
Mon. 30, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon70%
Wind Icon26.3km/h
Tue. 31, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/5°
Humidity Icon79%
Wind Icon27.7km/h
Wed. 1, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/5°
Humidity Icon78%
Wind Icon26.6km/h
Thu. 2, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/4°
Humidity Icon70%
Wind Icon25.6km/h
Sun. 5, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/5°
Humidity Icon72%
Wind Icon26.6km/h
Mon. 6, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon74%
Wind Icon23.8km/h
Tue. 7, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/6°
Humidity Icon73%
Wind Icon24.8km/h
Wed. 8, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon72%
Wind Icon24.5km/h
Thu. 9, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon69%
Wind Icon24.5km/h
Fri. 10, Apr.
moderate rain at timesModerate rain at times
Temperature Icon11°/5°
Humidity Icon71%
Wind Icon23km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 12, Mar.

14°C

Low will be onSun. 22, Mar.

-6°C

HumidityHumidity

High will be onWed. 11, Mar.

97%

Low will be onSun. 22, Mar.

39%

Wind SpeedWind Speed

High will be onMon. 16, Mar.

37.8km/h

Low will be onThu. 19, Mar.

20.9km/h

PrecipitationPrecipitation

High will be onSun. 29, Mar.

8.5mm

Low will be onWed. 11, Mar.

0.02mm

Ultraviolet IndexUV

High will be onSat. 14, Mar.

2

Low will be onTue. 17, Mar.

1

Our Blogs

14 Feb 2026

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)
12 Feb 2026

Why AQI Standards Vary Across the World – And Why Air Quality Index Matters More Than Ever

Why AQI Standards Vary Across the World – And Why Air Quality Index Matters More Than Ever
2 Feb 2026

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?
1 Feb 2026

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons
29 Jan 2026

Shocking Air Quality Data Reveals Hazardous Pollution in Baramulla’s Khawaja Bagh, Shattering the ‘Clean Air’ Myth of Jammu & Kashmir

Shocking Air Quality Data Reveals Hazardous Pollution in Baramulla’s Khawaja Bagh, Shattering the ‘Clean Air’ Myth of Jammu & Kashmir
28 Jan 2026

What hourly AQI reveals : Rainfall’s Limited Impact on Delhi NCR’s Air Quality

What hourly AQI reveals : Rainfall’s Limited Impact on Delhi NCR’s Air Quality
26 Dec 2025

Delhi’s Air in 2025: A Year Where Clean Days Never Arrived

Delhi’s Air in 2025: A Year Where Clean Days Never Arrived
19 Dec 2025

Delhi Engulfed in Fog and Toxic Air: Dense Fog Reduces Visibility as AQI Remains Severe, IMD Issues Yellow Alert

Delhi Engulfed in Fog and Toxic Air: Dense Fog Reduces Visibility as AQI Remains Severe, IMD Issues Yellow Alert
16 Dec 2025

GRAP Stage 4 Enforced in Delhi as AQI Touches 600+: Smog and Weather Worsen Air Quality

GRAP Stage 4 Enforced in Delhi as AQI Touches 600+: Smog and Weather Worsen Air Quality
13 Dec 2025

Sudden Smog Rise Across Delhi NCR Linked to Low Wind and Temperature Inversion

Sudden Smog Rise Across Delhi NCR Linked to Low Wind and Temperature Inversion