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 Fitchburg Weather Forecast Summary |
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Today
May 16th
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Sunday
May 17th
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Monday
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Mostly Cloudy with Showers |
Mix of Cloud and Sun |
Thundershowers |
Mix of Cloud and Sun |
Mix of Sun and Cloud |
77°F
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75°F
51°F |
76°F
67°F |
71°F
55°F |
53°F
41°F |
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| Fitchburg Detailed Weather Forecast |
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| Saturday, May 16th, 2026 |
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Morning |
Temperature: 63°F |
| Mostly sunny with showers likely. Windy at times. |
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Afternoon |
Temperature: 76°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 67°F |
| Clear with cloudy periods. Slight chance of a thunderstorm. |
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| Sunday, May 17th, 2026 |
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Overnight |
Temperature: 60°F |
| A mix of cloudy and clear skies with a slight chance of showers. |
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Morning |
Temperature: 54°F |
| Cloudy with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 65°F |
| Cloudy with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 73°F |
| Mostly clear. Chance of a thunderstorm. Windy at times. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 68°F |
| Mostly clear. Slight chance of a thunderstorm. Windy. |
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Morning |
Temperature: 67°F |
| Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 74°F |
| Sunny with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 74°F |
| Mostly clear with a slight chance of showers or thundershowers. Windy at times. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 70°F |
| Clear with cloudy periods with a chance of showers or thundershowers. Windy. |
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Morning |
Temperature: 68°F |
| A mix of cloud and sun with a chance of showers. Windy. |
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Afternoon |
Temperature: 64°F |
| A mix of cloud and sun with a chance of showers. Windy at times. |
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Evening |
Temperature: 56°F |
| A mix of cloudy and clear skies with a chance of showers. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 49°F |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 50°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 52°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 47°F |
| A mix of cloudy and clear skies. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 37°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 43°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 55°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 47°F |
| Clear with cloudy periods. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 37°F |
| Clear. |
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Morning |
Temperature: 48°F |
| Sunny. |
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Afternoon |
Temperature: 61°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 50°F |
| Clear. Windy at times. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 44°F |
| Clear. |
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Morning |
Temperature: 55°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 69°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 62°F |
| Clear. Windy at times. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 57°F |
| Clear with cloudy periods with a chance of showers. Windy at times. |
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Morning |
Temperature: 64°F |
| Sunny with cloudy periods with a chance of showers. Windy. |
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Afternoon |
Temperature: 78°F |
| Sunny with cloudy periods with a chance of showers or thundershowers. Windy. |
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Evening |
Temperature: 75°F |
| Clear. Chance of a thunderstorm. Wind 20 to 30 mph. |
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