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 Watertown Weather Forecast Summary |
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Today
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Friday
May 22nd
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Mostly Cloudy |
Mix of Cloud and Sun |
Mostly Sunny |
Mostly Cloudy |
Mostly Cloudy with Showers |
50°F
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47°F
37°F |
63°F
34°F |
62°F
48°F |
63°F
46°F |
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| Watertown Detailed Weather Forecast |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 45°F |
| A mix of cloudy and clear skies with a chance of showers. Windy. |
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Morning |
Temperature: 45°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 49°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 43°F |
| Mostly cloudy with a chance of showers. Windy at times. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 38°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Morning |
Temperature: 39°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 45°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 43°F |
| Mostly clear. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 35°F |
| Clear. |
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Morning |
Temperature: 43°F |
| Mostly sunny. |
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Afternoon |
Temperature: 61°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 56°F |
| Mostly clear. Windy at times. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 48°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 53°F |
| A mix of cloud and sun. Windy. |
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Afternoon |
Temperature: 62°F |
| Mostly cloudy. Windy. |
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Evening |
Temperature: 55°F |
| Cloudy. Windy at times. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 48°F |
| A mix of clear and cloudy skies. Windy at times. |
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Morning |
Temperature: 53°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 63°F |
| Cloudy with a slight chance of showers. Windy at times. |
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Evening |
Temperature: 55°F |
| Cloudy with showers likely. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 55°F |
| A mix of cloudy and clear skies with a chance of showers. Windy at times. |
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Morning |
Temperature: 59°F |
| Sunny with cloudy periods with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 70°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 65°F |
| Clear. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 59°F |
| Mostly cloudy. Windy at times. |
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Morning |
Temperature: 62°F |
| Mostly cloudy with showers likely. Chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 83°F |
| Sunny with cloudy periods with a chance of showers or thundershowers. Windy. |
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Evening |
Temperature: 72°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 61°F |
| Clear with cloudy periods. Chance of a thunderstorm. |
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Morning |
Temperature: 70°F |
| Sunny. |
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Afternoon |
Temperature: 85°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 76°F |
| Mostly clear. Chance of a thunderstorm. Windy at times. |
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