 |
 Current Merrimack Weather Conditions |
Updated September 18th at 2:53 pm |
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| Mostly Sunny |
| Temperature: | 79°F |
Dew Point: | 52°F |
| Barometer: | 29.89 inHg |
Wind: | 9 Mph |
| Humidity: | 39.0% |
Visibility: | 0M |
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| Merrimack Weather Forecast Summary |
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Today
Sep 18th
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Friday
Sep 19th
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Saturday
Sep 20th
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Sunday
Sep 21st
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Monday
Sep 22nd
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Mostly Sunny |
Sunny |
Sunny |
Sunny |
Mix of Cloud and Sun |
81°F
|
75°F
48°F |
68°F
45°F |
67°F
43°F |
73°F
44°F |
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| Merrimack Detailed Weather Forecast |
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| Thursday, September 18th, 2025 |
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Afternoon |
Temperature: 71°F |
| Sunny. |
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Evening |
Temperature: 62°F |
| Clear. |
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| Friday, September 19th, 2025 |
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Overnight |
Temperature: 63°F |
| Clear. Windy at times. |
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Morning |
Temperature: 74°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 67°F |
| Sunny. |
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Evening |
Temperature: 50°F |
| Clear. |
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| Saturday, September 20th, 2025 |
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Overnight |
Temperature: 48°F |
| Clear. |
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Morning |
Temperature: 66°F |
| Sunny. |
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Afternoon |
Temperature: 56°F |
| Sunny. |
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Evening |
Temperature: 46°F |
| Clear. |
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| Sunday, September 21st, 2025 |
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Overnight |
Temperature: 47°F |
| Clear. |
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Morning |
Temperature: 66°F |
| Sunny. |
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Afternoon |
Temperature: 57°F |
| Sunny. |
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Evening |
Temperature: 47°F |
| Clear. |
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| Monday, September 22nd, 2025 |
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Overnight |
Temperature: 47°F |
| Clear. |
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Morning |
Temperature: 70°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 63°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 55°F |
| Clear. |
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| Tuesday, September 23rd, 2025 |
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Overnight |
Temperature: 59°F |
| Clear. |
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Morning |
Temperature: 84°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 76°F |
| Sunny with cloudy periods. Slight chance of a thunderstorm. |
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Evening |
Temperature: 63°F |
| Cloudy with a chance of showers. |
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| Wednesday, September 24th, 2025 |
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Overnight |
Temperature: 62°F |
| A mix of clear and cloudy skies with a slight chance of showers. |
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Morning |
Temperature: 72°F |
| A mix of sun and cloud. Windy at times. |
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Afternoon |
Temperature: 62°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 59°F |
| Cloudy. |
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| Thursday, September 25th, 2025 |
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Overnight |
Temperature: 61°F |
| Cloudy. |
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Morning |
Temperature: 68°F |
| Cloudy. |
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Afternoon |
Temperature: 67°F |
| Cloudy. |
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Evening |
Temperature: 63°F |
| A mix of cloudy and clear skies. |
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| Friday, September 26th, 2025 |
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Overnight |
Temperature: 62°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 71°F |
| Cloudy with a chance of showers or thundershowers. |
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Afternoon |
Temperature: 66°F |
| A mix of cloud and sun with showers likely. Slight chance of a thunderstorm. |
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Evening |
Temperature: 64°F |
| Cloudy. |
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