Lancaster, PA 17611 Weather

Lancaster County6:03 AM EDT40.04°N, 76.31°W

Current conditions

Clear
45°
Clear
Feels like 45°
High 64°·Low 40°
WindCalm
Humidity70%
Dew point36°
Pressure30.27 inHg
Visibility10 mi
Cloud cover3%
UV index0 Low
Sunrise7:23 AM
Sunset6:18 PM

Observed at Lancaster, Lancaster Airport · 28 min ago

Forecast

10-day

  • Today

    Sunny, with a high near 64. North wind 5 to 8 mph.

  • Tonight

    Mostly clear, with a low around 40. Wind chill values as low as -80. Northwest wind around 7 mph.

  • Thursday

    Sunny, with a high near 65. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

National Weather Service forecast updated 1 hr ago.

Hourly

Hourly forecast
  1. Now Sunny 41°
  2. 7 AM Sunny 41°
  3. 8 AM Sunny 41°
  4. 9 AM Sunny 45°
  5. 10 AM Sunny 50°
  6. 11 AM Sunny 54°
  7. 12 PM Sunny 57°
  8. 1 PM Sunny 60°
  9. 2 PM Sunny 62°
  10. 3 PM Sunny 63°
  11. 4 PM Sunny 63°
  12. 5 PM Sunny 64°
  13. 6 PM Mostly Clear 60°
  14. 7 PM Mostly Clear 57°
  15. 8 PM Mostly Clear 54°
  16. 9 PM Mostly Clear 50°
  17. 10 PM Mostly Clear 48°
  18. 11 PM Mostly Clear 47°
  19. Thu12 AM Mostly Clear 46°
  20. 1 AM Partly Cloudy 44°
  21. 2 AM Partly Cloudy 44°
  22. 3 AM Partly Cloudy 44°
  23. 4 AM Partly Cloudy 42°
  24. 5 AM Mostly Clear 41°

Daily forecast

Details
  1. TodayOct 21 Sunny Sunny40°64°
  2. ThuOct 22 Sunny Sunny40°65°
  3. FriOct 23 Sunny Sunny34°60°
  4. SatOct 24 Patchy Frost then Sunny Patchy Frost then Sunny36°61°
  5. SunOct 25 Sunny Sunny41°65°
  6. MonOct 26 Sunny Sunny46°68°
  7. TueOct 27 Mostly Sunny Mostly Sunny43°65°
  8. WedOct 28 Cloudy Cloudy49°61°
  9. ThuOct 29 Sunny Sunny41°55°

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 near Lancaster

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Air quality

41
Good
Fine particles (PM2.5)

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • WedGood (45)
  • ThuGood (45)
  • FriGood

Susquehanna Valley, PA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:23 AM
Sunset 6:18 PM
Daylight 10 h 55 min (−2 min 30 s tomorrow)
Waxing Gibbous · 76% lit
Moonrise 3:56 PM Moonset 2:23 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low63° / 46°
Record high80° (2016)
Record low37° (2008)
Wettest2.51 in (1995)
Month to date3.52 in (normal 2.90 in)

Safe Harbor Dam, records since 1995. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in CTP, issued 1 hr ago

What Has Changed

* Trimmed dewpoints this afternoon and again Sunday.

Key Messages

1) Dry and seasonably mild early Autumn weather continue through this weekend and into the last week of October.

Discussion

KEY MESSAGE 1: Dry and seasonably mild early Autumn weather continue through this weekend and into the last week of October.

Persistent, incredibly low precipitable water values (under 0.4 of an inch) will continue to reside over all of Central PA today and tonight under a ridge of high pressure.

A band of slightly higher PWAT (0.5-0.7 of an inch) and some sct-bkn, shallow stratocu (mainly across the Northern Mtns) will advect south through the CWA in the wake of a weak/dry cold front later Thursday morning and Thu afternoon as some limited moisture is picked up off the Lower Glakes.

The stretch of sensational weather continues into the last week of October. This rain-free pattern (Zero POPs areawide through Monday) is highlighted by generally sunny and warm afternoons with low humidity followed by clear and chilly moonlit nights with areas of frost and river valley fog.

High temps will average anywhere from normal (Susq Valley and Southern PA Valleys to 7 or 8 deg F above normal (Central and NW Mtns) today and Thursday before taking a brief dip to near or slightly below normal in most places on friday. A gradual rebound in temps will occur for Sat through Monday, with Monday's maxes averaging 8-11 deg f above normal (which equates to low-mid 60s across the Northern and Western Mtns and near 70 in the Southern Valleys).

Aviation

High pressure and very dry air are allowing for continued dry conditions and clear skies across the majority of the forecast area this morning. VFR conditions are virtually certain through 06Z Thursday at all of central Pennsylvania's airfields. The only hiccup in that forecast will be where HREF ensemble guidance (which has shown fair skill in honing in where fog will form the past couple of days) continues to outline northern tier for some chances of fog formation across NW PA over the next couple of hours, which will bring some chances for lower flight categories (IFR and below) to BFD in the 06-12Z Wednesday timeframe. Confidence remains too low (~20-30%) for inclusion in the 06Z TAF package, but will remain a lower- probability solution.

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 4Search index and reflects what the press published. Terms of use.