Grantham, NH 03753 Weather

Sullivan County2:53 PM EDT43.51°N, 72.13°W

Current conditions

Sunny
51°
Sunny
Feels like 51°
High 51°·Low 26°
WindN 5 mph gusts 14 mph
Humidity33%
Dew point23°
Visibility10 mi
Cloud cover4%
UV index2 Low
Sunrise7:13 AM
Sunset5:54 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day
  • Today

    Sunny, with a high near 51. North wind around 5 mph.

  • Tonight

    Mostly clear, with a low around 26. North wind 0 to 5 mph.

  • Saturday

    Sunny, with a high near 55. Northwest wind 0 to 5 mph.

National Weather Service forecast updated 12 hrs ago.

  1. Now Sunny 51°
  2. 3 PM Sunny 51°
  3. 4 PM Sunny 51°
  4. 5 PM Sunny 50°
  5. 6 PM Clear 47°
  6. 7 PM Clear 43°
  7. 8 PM Clear 41°
  8. 9 PM Clear 39°
  9. 10 PM Mostly Clear 36°
  10. 11 PM Mostly Clear 34°
  11. Sat12 AM Partly Cloudy 33°
  12. 1 AM Partly Cloudy 32°
  13. 2 AM Partly Cloudy 31°
  14. 3 AM Partly Cloudy 29°
  15. 4 AM Mostly Cloudy 28°
  16. 5 AM Mostly Cloudy 27°
  17. 6 AM Partly Sunny 26°
  18. 7 AM Mostly Sunny 26°
  19. 8 AM Sunny 30°
  20. 9 AM Sunny 35°
  21. 10 AM Sunny 39°
  22. 11 AM Sunny 45°
  23. 12 PM Sunny 49°
  24. 1 PM Sunny 52°

10-day forecast

Details
  1. TodayOct 23 Sunny Sunny26°51°
  2. SatOct 24 Sunny Sunny28°55°
  3. SunOct 25 Sunny Sunny33°61°
  4. MonOct 26 Sunny Sunny32°62°
  5. TueOct 27 Mostly Sunny Mostly Sunny26°50°
  6. WedOct 28 Mostly Sunny Mostly Sunny30°52°
  7. ThuOct 29 Mostly Sunny Mostly Sunny37°57°
  8. FriOct 30 Mostly sunny Mostly sunny36°54°
  9. SatOct 31 Mostly sunny Mostly sunny29°45°
  10. SunNov 1 Sunny Sunny29°50°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news in New Hampshire

More weather news

Air quality

Forecast

  • FriGood
  • SatGood
  • SunGood

Sullivan County, NH reporting area. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:13 AM
Sunset 5:54 PM
Daylight 10 h 41 min (−2 min 47 s tomorrow)
Waxing Gibbous · 93% lit
Moonrise 4:23 PM Moonset 4:15 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low57° / 38°
Record high79° (1979)
Record low21° (1924)
Wettest1.85 in (1912)
Yesterday66° / 30°
Month to date2.09 in (normal 2.91 in)

Hanover, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in GYX, issued 8 hrs ago

What Has Changed

No significant changes to the forecast with this update.

Key Messages

1. Dry weather continues areawide through the weekend and into next week. A cool and dry airmass will bring widespread overnight lows in the 20s tonight and Saturday night.

Discussion

KEY MESSAGE 1 DESCRIPTION...

High pressure remains centered across Quebec today, gradually shifting south of New England through the weekend. A pressure gradient between exiting low pressure in the open Atlantic and incoming high pressure will bring one more day of breezy conditions.

As the high crests overhead tonight, the dry airmass allows for a cold night with lows falling into the 20s for most of the area, and some teens across the north. The high continues to move southward, setting up a moderating southwest flow by the end of the weekend. Temps rebound back into the 60s for Sunday and Monday.

A weak front passes through on Monday with little more than a few sprinkles across the north. Behind the front, a new high pressure center arrives with a cooler airmass. Highs return to the 40s and 50s for Tuesday and Wednesday, before beginning to rebound back into the 60s for the end of the week as the high moves offshore.

At this time there is still no meaningful rainfall in the forecast for at least the next week.

Aviation

Through 12z Saturday: Occasional N gusts around 20 kts ease this afternoon. Local wind enhancement is possible in vicinity of Penobscot Bay this morning. Otherwise, VFR is expected today through tonight. Calm winds and clear skies tonight could promote BR/FG development for valley locations (particularly HIE/LEB), but the dry airmass may also help deter this.

Outlook...

Saturday-Wednesday...VFR prevails under high pressure. This should lead to light diurnal wind patterns.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.