Outdoor conditions in

Portsmouth

New Hampshire
Now
  1. 53°Sunny0% rain66% humidityGusts 14 mph
  2. 55°Sunny0% rain61% humidityGusts 14 mph
  3. 57°Sunny0% rain55% humidityGusts 14 mph
  4. 59°Sunny0% rain49% humidityGusts 9 mph
  5. 60°Sunny0% rain46% humidityGusts 7 mph
  6. 61°Sunny0% rain42% humidityGusts 7 mph
  7. 61°Mostly Sunny0% rain42% humidityGusts 5 mph
  8. 60°Mostly Sunny0% rain46% humidityGusts 5 mph
  9. 59°Mostly Sunny0% rain49% humidityGusts 5 mph
  10. 56°Mostly Clear0% rain57% humidityGusts 5 mph
  11. 50°Mostly Clear0% rain71% humidityGusts 2 mph
  12. 47°Partly Cloudy0% rain76% humidityGusts 2 mph
  13. 46°Partly Cloudy0% rain83% humidityGusts 2 mph
  14. 45°Mostly Clear0% rain86% humidityGusts 2 mph
  15. 44°Partly Cloudy0% rain89% humidityGusts 2 mph
  16. 43°Partly Cloudy0% rain89% humidityGusts 2 mph
  17. 43°Partly Cloudy0% rain93% humidityGusts 2 mph
  18. 43°Mostly Cloudy1% rain89% humidityGusts 2 mph
  19. 42°Mostly Cloudy2% rain96% humidityGusts 5 mph
  20. 43°Mostly Cloudy2% rain93% humidityGusts 5 mph
  21. 44°Mostly Cloudy7% rain89% humidityGusts 7 mph
  22. 44°Slight Chance Rain Showers19% rain93% humidityGusts 9 mph
  23. 45°Chance Rain Showers31% rain93% humidityGusts 12 mph
  24. 47°Rain Showers79% rain93% humidityGusts 14 mph
Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
0%
Humidity
42–89%
Wind
14 mph
Fri

Friday looks wet for a meaningful stretch.

Rain
98%
Humidity
89–100%
Wind
22 mph
Sat

Saturday has a real shower chance.

Rain
51%
Humidity
40–93%
Wind
26 mph
Sun

Sunday looks fairly quiet.

Rain
2%
Humidity
43–82%
Wind
14 mph
Mon

Monday looks fairly quiet.

Rain
15%
Humidity
51–96%
Wind
17 mph
  1. 61° / 44°Today looks fairly quiet.0% rain · Humidity 42–89% · Wind 14 mph
  2. 65° / 42°Friday looks wet for a meaningful stretch.98% rain · Humidity 89–100% · Wind 22 mph
  3. 58° / 37°Saturday has a real shower chance.51% rain · Humidity 40–93% · Wind 26 mph
  4. 55° / 33°Sunday looks fairly quiet.2% rain · Humidity 43–82% · Wind 14 mph
  5. 61° / 37°Monday looks fairly quiet.15% rain · Humidity 51–96% · Wind 17 mph

Environmental watch

Air quality + smoke

Air quality

Coastal Rockingham County area · Updated Thu 8:25 AM
13GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground13 · Good US AQI

Rain, in motion · Past four hours

Portsmouth radar

Ready when you areSee what is moving toward Portsmouth.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Weather is less concerning around 6 PM–9 PM.

Humidity stays higher and winds stay lighter for at least three hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowLower weather concern

Humidity is 66% with light wind and gusts below 15 mph.

Humidity
66%
Wind
5 mph
Gusts
14 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Coastal Rockingham County area, about 8 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Portsmouth, NH, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.