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Current Weather in Griswold, CT

Updated: Wed Sep 23rd 2026 3:45 PM EDT

Sunny

65^°F 18^°C

Feels Like 56^°F / 13^°C

Griswold, CT weather condition is Sunny and 65°F.

Today's Weather in Griswold,CT

The current weather in Griswold CT as of 3:45 PM EDT on Wed Sep 23rd 2026, has a sky condition of Sunny with the visibility of 6 mile(s) and the UV index at 3.2. It is 65 degrees fahrenheit but feels like 56 degrees with a forecasted high of 66 and low of 47. The barometric pressure is 30.45 - measured by inches of mercury - and is steady since its last observation. The humidity is 44 percent that's rising since the last report, with a dew point of 43 degrees fahrenheit which is rising. Wind direction is from the East-Northeast at 14.1 miles per hour, gusting at 21.8 miles per hour. Sunrise was at 6:36 AM and Sunset is at 6:44 PM. The moon phase is a Waxing Gibbous moon rising at 5:28 PM with 95% illumination. Thank you for listening to the weather report from LocalConditions.com!

Listen to this weather report - press Read

Barometer 30.45 inHg. steady
Humidity 44% rising
Heat Index 65°F
Wind from ENE. 14.1 mph
Wind Gust 21.8 miles per hour
Wind Chill 65°F
UV Index 3.2

Dew Point 43°F rising
Visibility 6 mi.
Sunrise 6:36 AM
Sunset 6:44 PM
Moonrise 5:28 PM
Moonset 3:30 AM
Moon Phase Waxing Gibbous Moon 95%

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

5 Day Forecast

Overcast

Overcast with a high of 66°F and a low of 47°F. 13% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 16mph. The humidity will be on the higher side, reaching around 68%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 66° \| Lo 47°	68%	13% \| est. 0in	0%	15.2 mph

Overcast

Overcast with a high of 66°F and a low of 47°F. 10% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 14mph. The humidity will be on the higher side, reaching around 70%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 66° \| Lo 47°	70%	10% \| est. 0in	0%	13.6 mph

Overcast

Overcast with a high of 62°F and a low of 49°F. 16% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 16mph. The humidity will be on the higher side, reaching around 62%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 62° \| Lo 49°	62%	16% \| est. 0in	0%	15.9 mph

Scattered Showers

Scattered Showers with a high of 56°F and a low of 54°F. Probable rainfall forecasted, having a 54% chance with an estimated 0.02in. Winds will be moderate, blowing around 17mph. The humidity will be on the higher side, reaching around 76%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 56° \| Lo 54°	76%	54% \| est. 0.02in	0%	16.3 mph

Scattered Showers

Scattered Showers with a high of 59°F and a low of 53°F. Rainfall is expected, having a 91% chance with 0.42in estimated precipitation. Winds will be moderate, blowing around 11mph. Expect high humidity with levels above 80% to 89%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 59° \| Lo 53°	89%	91% \| est. 0.42in	0%	11 mph

Yesterday 5-Day 10-Day

Weather Radar Map

Live Griswold, CT weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Sunday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 65^°F. The morning temperature of 47°^F is lowest at 12am with the daytime high of 66°^F at 12pm and a low around 51°^F at 10pm is expected.

Hourly Barometric Pressure

The highest pressure today is 30.49^inHg at 8pm and lowest being 30.41^inHg at 12am.

Hourly Wind Speeds

The fastest wind is reported to be 15.2^mph at 1pm, while the slowest is 5.8^mph around 12am; expect wind gusts peaking 28.9^mph at 5am.

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Current National Weather

Heavy Rainfall and Flooding in New Mexico and Southern High Plains - 09-23 to 09-25

Updated Wed Sep 23rd 2026, 4:09am PDT

Expect significant rainfall and potential flooding in New Mexico and the Southern High Plains through Thursday. Areas of the Ohio/Tennessee Valley, Mid-Atlantic, and Southeast will also experience heavy rains through Wednesday. Here's what to look out for:

New Mexico and Southern High Plains

From Wednesday through Thursday, New Mexico and surrounding areas will experience heavy showers and thunderstorms due to strong upper-level forces. This means lots of rain, so watch for flash flooding, especially in valleys, near burns scars, and in cities. There's a 40% chance of heavy rain in parts, expanding into West Texas, Arizona, and Colorado with chances dropping to 15% and 5% in some areas, respectively. The boundary moving towards the northern Plains by late Wednesday into Thursday will bring more showers and thunderstorms.

Ohio/Tennessee Valley and Mid-Atlantic

From now through Wednesday, regions like the Ohio/Tennessee Valley, Mid-Atlantic, and Southeast will remain moist and unstable with continued showers and thunderstorms. This could also lead to flash flooding. Meanwhile, along the surface trough, more severe thunderstorms can develop, especially over the Tennessee Valley. In southern Florida, expect daily heavy showers leading to possible flooding.

Chilly Temperatures and Cool Downs

A strong high-pressure area brings cooler temperatures to the Northern/Central Plains, Northeast, and Mid-Atlantic, where highs will be in the 60s. Meanwhile, the Pacific Northwest and Northern Rockies will start cooling off as showers develop by the end of the week.