Griswold, CT Weather Forecast | 5 Day
Updated: Wed Sep 23rd 2026 3:45 PM EDT
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Overcast
Wed 9-23-26
Overcast with a high of 66°F and a low of 47°F. There might be light rainfall having a 13% chance with an estimated 0in. Wind will be moderate, blowing around 16mph on average and gusts of 26.6mph at 9 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 83% at 11 PM and 49% being its lowest at 4 PM. Barometric pressure is its highest of 30.49inHg at 8 PM, a lowest point of 30.44inHg at 4 PM with an avg 30.47inHg.
- HI: 66°F
- LO: 47°F
- Rainfall: 13% | est. 0in
- Snowfall: 0%
- Wind
15.2 mph - Humidity
68% avg. - UV Index
4.7 - Air QualityGood
- Sunrise
06:36 AM - Sunset
06:44 PM - Moonrise
05:28 PM - Moonset
03:30 AM - Moon Phase
Waxing Gibbous
Overcast
Weather Tomorrow, Thu 9-24-26
Overcast with a high of 66°F and a low of 47°F. There's a very small chance of rainfall, only about 10% with an estimated 0in. Wind will be moderate, blowing around 14mph on average and gusts of 30.5mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 89% at 7 AM and 43% being its lowest at 2 PM. Barometric pressure is its highest of 30.46inHg at 12 AM, a lowest point of 30.28inHg at 11 PM with an avg 30.38inHg.
- HI: 66°F
- LO: 47°F
- Rainfall: 10% | est. 0in
- Snowfall: 0%
- Wind
13.6 mph - Humidity
70% avg. - UV Index
5.2 - Air QualityGood
- Sunrise
06:37 AM - Sunset
06:42 PM - Moonrise
05:48 PM - Moonset
04:32 AM - Moon Phase
Full Moon
Overcast
Fri 9-25-26
Overcast with a high of 62°F and a low of 49°F. There might be light rainfall having a 16% chance with an estimated 0in. Wind will be moderate, blowing around 16mph on average and gusts of 41.6mph at 11 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 80% at 12 AM and 52% being its lowest at 7 PM. Barometric pressure is its highest of 30.26inHg at 12 AM, a lowest point of 29.97inHg at 11 PM with an avg 30.09inHg.
- HI: 62°F
- LO: 49°F
- Rainfall: 16% | est. 0in
- Snowfall: 0%
- Wind
15.9 mph - Humidity
62% avg. - UV Index
3 - Air QualityGood
- Sunrise
06:38 AM - Sunset
06:40 PM - Moonrise
06:07 PM - Moonset
05:34 AM - Moon Phase
Full Moon
Scattered Showers
Sat 9-26-26
Scattered Showers with a high of 56°F and a low of 54°F. Rainfall expected to have a 54% chance with an estimated 0.02in. Wind will be moderate, blowing around 17mph on average and gusts of 42.5mph at 1 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 81% at 11 PM and 69% being its lowest at 7 PM. Barometric pressure is its highest of 29.96inHg at 12 AM, a lowest point of 29.76inHg at 11 PM with an avg 29.85inHg.
- HI: 56°F
- LO: 54°F
- Rainfall: 54% | est. 0.02in
- Snowfall: 0%
- Wind
16.3 mph - Humidity
76% avg. - UV Index
0.5 - Air QualityGood
- Sunrise
06:39 AM - Sunset
06:38 PM - Moonrise
06:26 PM - Moonset
06:37 AM - Moon Phase
Full Moon
Scattered Showers
Sun 9-27-26
Scattered Showers with a high of 59°F and a low of 53°F. It will likey rain, having a 91% chance of a downpour with an estimated 0.42in. Wind will be moderate, blowing around 11mph on average and gusts of 26.2mph at 12 AM. High humidity with average of 89% is anticipated, the maximum being 97% at 4 AM and 76% being its lowest at 5 PM. Barometric pressure is its highest of 29.79inHg at 11 PM, a lowest point of 29.72inHg at 6 AM with an avg 29.74inHg.
- HI: 59°F
- LO: 53°F
- Rainfall: 91% | est. 0.42in
- Snowfall: 0%
- Wind
11 mph - Humidity
89% avg. - UV Index
4 - Air QualityGood
- Sunrise
06:40 AM - Sunset
06:37 PM - Moonrise
06:47 PM - Moonset
07:41 AM - Moon Phase
Waning Gibbous
Overcast
Mon 9-28-26
Overcast with a high of 66°F and a low of 56°F. There might be light rainfall having a 21% chance. Winds will be light at 9mph and gusts of 22.4mph at 12 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 89% at 8 PM and 66% being its lowest at 2 PM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.79inHg at 2 AM with an avg 29.86inHg.
- HI: 66°F
- LO: 56°F
- Rainfall: 21%
- Snowfall: 0%
- Wind
8.7 mph - Humidity
80% avg. - UV Index
5 - Air QualityTBA
- Sunrise
06:41 AM - Sunset
06:35 PM - Moonrise
07:12 PM - Moonset
08:47 AM - Moon Phase
Waning Gibbous
Currently
 |
65°F |
30.45 inHg.
Barometer 44%
Humidity ENE 22.7 mph Wind |
| Sunny | ||
National Outlook
Heavy Rainfall and Flooding in New Mexico and Southern High Plains - 09-23 to 09-25
Wed Sep 23rd 2026, 4:09am PDT
Read
Coastal Storm Hits Northeast with Rain and Winds - 09-26 to 09-30 2026
Extended Forecast
Wed Sep 23rd 2026, 4:11am PDT
Read
Wed Sep 23rd 2026, 4:11am PDT
5 Day Forecast Nearby
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