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Lancaster, Ohio 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Lancaster OH
National Weather Service Forecast for:
Lancaster OH
Issued by: National Weather Service Wilmington, OH |
| Updated: 4:00 pm EDT Jun 18, 2026 |
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Overnight
 Mostly Cloudy
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Juneteenth
 Sunny
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Friday Night
 Mostly Clear
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Saturday
 Sunny then Slight Chance T-storms
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Saturday Night
 Partly Cloudy
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Sunday
 Mostly Sunny then Slight Chance Showers
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Sunday Night
 Showers
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Monday
 Showers
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Monday Night
 Showers Likely then Partly Cloudy
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| Lo 56 °F |
Hi 77 °F |
Lo 56 °F |
Hi 79 °F |
Lo 59 °F |
Hi 81 °F |
Lo 64 °F |
Hi 77 °F |
Lo 58 °F |
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Overnight
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Mostly cloudy, with a low around 56. Calm wind. |
Juneteenth
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Sunny, with a high near 77. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph. |
Friday Night
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Mostly clear, with a low around 56. West wind 5 to 7 mph becoming calm in the evening. |
Saturday
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A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%. |
Saturday Night
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Partly cloudy, with a low around 59. West wind around 5 mph becoming calm in the evening. |
Sunday
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A slight chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%. |
Sunday Night
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A chance of thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 64. Chance of precipitation is 80%. |
Monday
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Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 80%. |
Monday Night
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Showers likely before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. |
Tuesday
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Mostly sunny, with a high near 77. |
Tuesday Night
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Mostly clear, with a low around 58. |
Wednesday
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Mostly sunny, with a high near 78. |
Wednesday Night
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Partly cloudy, with a low around 59. |
Thursday
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A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%. |
Forecast from NOAA-NWS
for Lancaster OH.
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Weather Forecast Discussion
812
FXUS61 KILN 190006
AFDILN
Area Forecast Discussion
National Weather Service Wilmington OH
806 PM EDT Thu Jun 18 2026
.WHAT HAS CHANGED...
No significant changes.
&&
.KEY MESSAGES...
1) A few showers possible into this evening hours and then a return
of rain chances Sunday and Monday.
2) Below normal temperatures are expected through the week.
&&
.DISCUSSION...
KEY MESSAGE 1)
A few showers will be possible into the evening hours. A cold front
is moving through the area and dry conditions are generally expected
overnight through Friday night. A weak system will bring some showers
and storms to the region on Saturday. A larger system will move
through Sunday into Monday bringing more widespread shower and
thunderstorm chances to the area.
KEY MESSAGE 2)
With the passage of the cold front today, cooler air will work into
the region and below normal temperatures are expected for most
locations through the week. High temperatures in most locations will
be in the 70s to low 80s this next week. Low temperatures will be in
the middle 50s to middle 60s.
&&
.AVIATION /00Z FRIDAY THROUGH TUESDAY/...
Clouds and winds will diminish during the early part of the TAF
period. This may lead to some shallow fog at KLUK resulting in
visibility restrictions. Some cumulus will develop with heating on
Friday with winds gusting to 20 kt or more after 17Z.
OUTLOOK...Thunderstorms possible Sunday afternoon into Monday.
&&
.ILN WATCHES/WARNINGS/ADVISORIES...
OH...None.
KY...None.
IN...None.
&&
$$
DISCUSSION...08
AVIATION...35
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