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 Groton Weather Forecast Summary |
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Today
Jul 20th
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Tuesday
Jul 21st
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Wednesday
Jul 22nd
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Thursday
Jul 23rd
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Friday
Jul 24th
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Mostly Sunny |
Thundershowers |
Thundershowers |
Mostly Sunny |
Sunny |
84°F
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81°F
57°F |
86°F
65°F |
73°F
57°F |
83°F
54°F |
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| Groton Detailed Weather Forecast |
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| Monday, July 20th, 2026 |
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Overnight |
Temperature: 56°F |
| Clear. |
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Morning |
Temperature: 73°F |
| Mostly sunny. |
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Afternoon |
Temperature: 84°F |
| Mostly sunny. |
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Evening |
Temperature: 66°F |
| Clear. |
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| Tuesday, July 21st, 2026 |
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Overnight |
Temperature: 58°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 72°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 79°F |
| A mix of sun and cloud. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 69°F |
| Cloudy with showers. Slight chance of a thunderstorm. |
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| Wednesday, July 22nd, 2026 |
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Overnight |
Temperature: 67°F |
| A mix of cloudy and clear skies with showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 73°F |
| A mix of cloud and sun with a chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 83°F |
| Sunny with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 69°F |
| Clear with a slight chance of showers. |
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| Thursday, July 23rd, 2026 |
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Overnight |
Temperature: 58°F |
| Clear. |
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Morning |
Temperature: 65°F |
| A mix of sun and cloud. Windy at times. |
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Afternoon |
Temperature: 73°F |
| Mostly sunny. |
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Evening |
Temperature: 61°F |
| Clear. |
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| Friday, July 24th, 2026 |
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Overnight |
Temperature: 55°F |
| Clear. |
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Morning |
Temperature: 72°F |
| Sunny. |
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Afternoon |
Temperature: 83°F |
| Mostly sunny. |
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Evening |
Temperature: 67°F |
| Clear with cloudy periods. |
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| Saturday, July 25th, 2026 |
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Overnight |
Temperature: 63°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 72°F |
| Sunny. |
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Afternoon |
Temperature: 79°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 61°F |
| Clear. |
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| Sunday, July 26th, 2026 |
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Overnight |
Temperature: 54°F |
| Mostly clear. |
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Morning |
Temperature: 69°F |
| Mostly sunny. |
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Afternoon |
Temperature: 79°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 63°F |
| Mostly clear. |
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| Monday, July 27th, 2026 |
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Overnight |
Temperature: 63°F |
| Mostly cloudy. |
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Morning |
Temperature: 73°F |
| Mostly sunny. |
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Afternoon |
Temperature: 87°F |
| A mix of cloud and sun. Slight chance of a thunderstorm. |
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Evening |
Temperature: 73°F |
| Mostly cloudy. Slight chance of a thunderstorm. |
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