Weather Forecast for Hartford

Connecticut, United States of America

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Overcast

Current Weather - Hartford: 13°C

Connecticut, United States of America

Overcast

Feels like 12°C

Wind

10 km/h NE

Humidity

77%

Pressure

1019 mb

UV Index

2

Visibility

16 km

Partly Cloudy

Partly Cloudy

Saturday, April 18, 2026

High

21°C

Low

10°C

Rain Chance

0%

Hourly Forecast

Partly Cloudy 20°C
15:00
Partly Cloudy 20°C
16:00
Partly Cloudy 19°C
17:00
Cloudy 17°C
18:00
Cloudy 15°C
19:00
Cloudy 14°C
20:00
Cloudy 12°C
21:00
Cloudy 11°C
22:00
Cloudy 10°C
23:00
Apr 19

Day Statistics

Maximum Wind

12 km/h

Humidity

76%

Precipitation

0 mm

UV Index

2

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

06:06 AM

Sunset

07:35 PM

Moonrise

06:21 AM

Moonset

09:37 PM

Moon Phase

Waxing Crescent

Moon Illumination

1%

Air Quality

PM2.5

11

μg/m³

PM10

12.2

μg/m³

NO₂

12.6

μg/m³

O₃

76.3

μg/m³

SO₂

3.2

μg/m³

CO

281.9

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

75.46

Diffuse Radiation

44.66

DNI

35.9

GTI

51.64

Weather Alerts

Coastal Flood Statement issued April 17 at 10:17PM EDT until April 19 at 2:00AM EDT by NWS Upton NY

Southern New Haven Apr 17, 10:17 PM - Apr 18, 06:00 AM
Severity: Minor Urgency: Expected

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern New Haven County. * WHEN...From Saturday evening into late Saturday night. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.

Event: Coastal Flood Statement Certainty: Likely Category: Met

Coastal Flood Statement issued April 18 at 2:50AM EDT until April 19 at 2:00AM EDT by NWS Upton NY

Southern New Haven Apr 18, 02:50 AM - Apr 19, 02:00 AM
Severity: Minor Urgency: Expected

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern New Haven County. * WHEN...From this evening through late tonight. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.

Event: Coastal Flood Statement Certainty: Likely Category: Met