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Ralston, PA Weather Forecast

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Clear

69°F

Updated	8:48 pm
Feels Like	62°F
Humidity	50%
Wind	S 13 mph
Barometer	30.28 in
Dew Point	50°F

Clear

21°C

Updated	8:48 pm
Feels Like	17°C
Humidity	50%
Wind	S 21 km/h
Barometer	102.5 kPa
Dew Point	10°C

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Cloud Cover	89%
uv UV Index	6
Sunrise	6:48 AM
Sunset	7:17 PM
Moonrise	11:47 AM
Moonset	9:10 PM

Civil Twilight
6:17 AM to 6:45 AM
7:17 PM to 7:45 PM
Ralston PA Weather - Waxing Crescent Moon

Waxing Crescent Moon

Ralston Weather Forecast

TONIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT	SUNDAY	SUNDAY NIGHT	MONDAY

Partly Cloudy	Chance of Showers	Chance of Showers	Chance of Showers	Chance of Showers	Clearing	Partly Cloudy	Chance of Showers	Showers	Showers	Showers Likely	Chance of Showers
Lo: 51°FLo: 11°C	Hi: 79°FHi: 26°C	Lo: 61°FLo: 16°C	Hi: 79°FHi: 26°C	Lo: 60°FLo: 16°C	Hi: 70°FHi: 21°C	Lo: 49°FLo: 9°C	Hi: 65°FHi: 18°C	Lo: 59°FLo: 15°C	Hi: 69°FHi: 21°C	Lo: 55°FLo: 13°C	Hi: 69°FHi: 21°C
	POP: 20%	POP: 40%	POP: 80%	POP: 80%			POP: 30%	POP: 70%	POP: 70%	POP: 70%	POP: 50%

POP = Probability of Precipitation.

Weather Outlook Updated: 730 PM EDT Tue Sep 15 2026 Ralston, PA Weather - WeatherWorld.com

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Issued: 742 PM EDT Tue Sep 15 2026

Key Messages

1) Warmer and more humid conditions return into midweek with highest odds for rain Thursday

Discussion

... KEY MESSAGE 1: Warmer and more humid conditions return into midweek with highest odds for rain Thursday

Latest CAMs support a modest increase in POPs across the northern tier of CPA late tonight into early Wednesday morning. Temps, dewpoints, and precip probs trend higher on Wednesday and peak on Thursday. A weak frontal boundary sinking southeast from the Lower Great Lakes will in...

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Tsunami Advisory

For products of the Pacific Tsunami Warning Center (PTWC - Pacific (except Alaska, British Columbia and Western States) Hawaii, Caribbean (except Puerto Rico, Virgin Is.), Indian Ocean): The third highest level of tsunami alert. Advisories are issued to coastal populations within areas not currently in either warning or watch status when a tsunami warning has been issued for another region of the same ocean. An Advisory indicates that an area is either outside the current warning and watch regions or that the tsunami poses no danger to that area. The Center will continue to monitor the event, issuing updates at least hourly. As conditions warrant, the Advisory will either be continued, upgraded to a watch or warning, or ended. For products of the West Coast/Alaska Tsunami Warning Center (WC/ATWC - Alaska, British Columbia and Western States, Canada, Eastern and Gulf States, Puerto Rico, U.S Virgin Islands): A tsunami advisory is issued due to the threat of a potential tsunami which may produce strong currents or waves dangerous to those in or near the water. Coastal regions historically prone to damage due to strong currents induced by tsunamis are at the greatest risk. The threat may continue for several hours after the arrival of the initial wave, but significant widespread inundation is not expected for areas under an advisory. Appropriate actions to be taken by local officials may include closing beaches, evacuating harbors and marinas, and the repositioning of ships to deep waters when there is time to safely do so. Advisories are normally updated to continue the advisory, expand/contract affected areas, upgrade to a warning, or cancel the advisory.