Nashua, NH Weather Forecast | 5 Day
Updated: Wed Sep 23rd 2026 10:30 PM EDT
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Sunny
Wed 9-23-26
Sunny with a high of 64°F and a low of 44°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 13mph on average and gusts of 9.6mph at 11 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 98% at 11 PM and 98% being its lowest at 11 PM. Barometric pressure is its highest of 30.55inHg at 11 PM, a lowest point of 30.55inHg at 11 PM with an avg 30.55inHg.
- HI: 64°F
- LO: 44°F
- Rainfall: 8%
- Snowfall: 0%
- Wind
12.1 mph - Humidity
74% avg. - UV Index
5.2 - Air QualityGood
- Sunrise
06:34 AM - Sunset
06:42 PM - Moonrise
05:27 PM - Moonset
03:25 AM - Moon Phase
Waxing Gibbous
Sunny
Weather Tomorrow, Thu 9-24-26
Sunny with a high of 66°F and a low of 42°F. There might be light rainfall having a 11% chance. Wind will be moderate, blowing around 11mph on average and gusts of 18.8mph at 8 AM. The humidity will be on the higher side, averaging about 70%, the maximum being 98% at 12 AM and 33% being its lowest at 2 PM. Barometric pressure is its highest of 30.54inHg at 12 AM, a lowest point of 30.37inHg at 11 PM with an avg 30.46inHg.
- HI: 66°F
- LO: 42°F
- Rainfall: 11%
- Snowfall: 0%
- Wind
10.3 mph - Humidity
70% avg. - UV Index
5.1 - Air QualityGood
- Sunrise
06:35 AM - Sunset
06:40 PM - Moonrise
05:46 PM - Moonset
04:28 AM - Moon Phase
Full Moon
Overcast
Fri 9-25-26
Overcast with a high of 65°F and a low of 47°F. There might be light rainfall having a 16% chance. Wind will be moderate, blowing around 13mph on average and gusts of 26.9mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 81% at 11 PM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 30.33inHg at 12 AM, a lowest point of 30.08inHg at 11 PM with an avg 30.18inHg.
- HI: 65°F
- LO: 47°F
- Rainfall: 16%
- Snowfall: 0%
- Wind
12.1 mph - Humidity
66% avg. - UV Index
4.5 - Air QualityGood
- Sunrise
06:36 AM - Sunset
06:38 PM - Moonrise
06:05 PM - Moonset
05:31 AM - Moon Phase
Full Moon
Overcast
Sat 9-26-26
Overcast with a high of 55°F and a low of 51°F. It will likey rain, having a 91% chance of a downpour with an estimated 1.5in. Wind will be moderate, blowing around 17mph on average and gusts of 36.2mph at 4 PM. High humidity with average of 87% is anticipated, the maximum being 96% at 4 PM and 75% being its lowest at 7 AM. Barometric pressure is its highest of 30.06inHg at 12 AM, a lowest point of 29.8inHg at 11 PM with an avg 29.91inHg.
- HI: 55°F
- LO: 51°F
- Rainfall: 91% | est. 1.5in
- Snowfall: 0%
- Wind
17 mph - Humidity
87% avg. - UV Index
0.4 - Air QualityGood
- Sunrise
06:37 AM - Sunset
06:36 PM - Moonrise
06:23 PM - Moonset
06:35 AM - Moon Phase
Full Moon
Light Drizzle
Sun 9-27-26
Light Drizzle with a high of 54°F and a low of 52°F. It will likey rain, having a 94% chance of a downpour with an estimated 0.73in. Wind will be moderate, blowing around 16mph on average and gusts of 37.9mph at 10 PM. High humidity with average of 93% is anticipated, the maximum being 96% at 11 PM and 81% being its lowest at 3 PM. Barometric pressure is its highest of 29.84inHg at 11 PM, a lowest point of 29.75inHg at 6 AM with an avg 29.78inHg.
- HI: 54°F
- LO: 52°F
- Rainfall: 94% | est. 0.73in
- Snowfall: 0%
- Wind
15.7 mph - Humidity
93% avg. - UV Index
0.4 - Air QualityGood
- Sunrise
06:38 AM - Sunset
06:34 PM - Moonrise
06:44 PM - Moonset
07:40 AM - Moon Phase
Waning Gibbous
Scattered Showers
Mon 9-28-26
Scattered Showers with a high of 53°F and a low of 49°F. It will likey rain, having a 94% chance of a downpour with an estimated 0.51in. Wind will be moderate, blowing around 15mph on average and gusts of 35.6mph at 12 AM. High humidity with average of 96% is anticipated, the maximum being 97% at 11 PM and 93% being its lowest at 5 AM. Barometric pressure is its highest of 29.87inHg at 9 AM, a lowest point of 29.83inHg at 5 PM with an avg 29.85inHg.
- HI: 53°F
- LO: 49°F
- Rainfall: 94% | est. 0.51in
- Snowfall: 0%
- Wind
15 mph - Humidity
96% avg. - UV Index
3 - Air QualityGood
- Sunrise
06:39 AM - Sunset
06:33 PM - Moonrise
07:07 PM - Moonset
08:48 AM - Moon Phase
Waning Gibbous
This 5-Day weather forecast is relevant for ZIP codes from 03030 through 03064, accurately covering all areas within Nashua, NH.
Currently
 |
47°F |
30.55 inHg.
Barometer 97%
Humidity NNE 7.2 mph Wind |
| Mist | ||
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
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