• Tonight

    Aug 4

    Lo 61°

    Clear to partly cloudy

    Beach & Pool Weather
    • UV
      4 - Moderate
    • Cloud
      Cover
      82%
    • Precip
      60%
  • Wed

    Aug 5

    82°Lo 59°

    Partial sunshine

    Very Good at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      38%
    • Precip
      25%
    more
  • Thu

    Aug 6

    80°Lo 57°

    Intervals of clouds and sun

    Very Good at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      46%
    • Precip
      7%
    more
  • Fri

    Aug 7

    79°Lo 59°

    Partly sunny

    Very Good at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      35%
    • Precip
      14%
    more
  • Sat

    Aug 8

    74°Lo 58°

    Mostly cloudy, a little rain

    Fair at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      88%
    • Precip
      63%
    more
Next Previous
Hi 85° RealFeel® 87° Precipitation 60%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 21 mph

A few afternoon thunderstorms, some severe; storms can bring flash flooding and damaging winds

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 100%
  • Precipitation: 0.61 in
  • Rain: 0.61 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 61° RealFeel® 61° Precipitation 25%

Night

N

E

S

W

  • NW 4 mph
  • Gusts: 7 mph

Clear to partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 85° 83° N/A 86°
Low 61° 61° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:21 of sunlight, then sets at 8:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:37 PM with 13:15 of moolight, then sets at 11:52 AM

Lancaster Weather Report

PHOTOS: Severe Weather Slams Boston

August 4, 2015; 6:32 PM ET

A line of violent thunderstorms tore across Massachusetts, including the Boston area, Tuesday afternoon. Isolated severe thunderstorms will continue into Tuesday evening. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Tue. Beach & Pool

Tue. UV Index

Tue. Wind Maps