Althom, PA Weather Forecast
Local 7-day forecast
Partly Sunny then Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Althom, PA in one place.
A slight chance of rain showers between noon and 2pm, then showers and thunderstorms. Partly sunny, with a high near 77. South wind 6 to 12 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Althom, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 18, 2026 12:37 AM EDT.
The active forecast window currently covers Apr 18 to Apr 24, 2026 for Althom, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 12:37 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Althom
Saturday looks like the warmest upcoming period in Althom at 77 degrees F.
Monday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Saturday at about 6 to 12 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 12:37 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KBUF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then showers and thunderstorms between 8pm and 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. West wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain and snow showers before 11am, then a chance of rain and snow showers. Partly sunny, with a high near 47. West wind 6 to 12 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then widespread frost between 4am and 5am. Mostly cloudy, with a low around 26. Northwest wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Mostly sunny, with a high near 41.
Partly cloudy, with a low around 23.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 59.
A chance of rain showers before 2am. Partly cloudy, with a low around 40. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 63.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 39.
Mostly sunny, with a high near 71.
Mostly clear, with a low around 44.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Partly Sunny then Showers And Thunderstorms
|
77°F |
6 to 12 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
35°F |
6 to 9 mph
W
|
|
Sunday
Apr 19
|
Chance Rain And Snow Showers
|
47°F |
6 to 12 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
26°F |
5 to 8 mph
NW
|
|
Monday
Apr 20
|
Mostly Sunny
|
41°F |
5 to 8 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
23°F |
1 to 6 mph
SW
|
|
Tuesday
Apr 21
|
Mostly Sunny then Slight Chance Rain Showers
|
59°F |
3 to 8 mph
S
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
40°F |
3 to 7 mph
SW
|
|
Wednesday
Apr 22
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
63°F |
3 to 7 mph
NW
|
|
Wednesday Night
Apr 22
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
39°F |
1 to 5 mph
N
|
|
Thursday
Apr 23
|
Mostly Sunny
|
71°F |
1 to 5 mph
S
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
44°F |
3 mph
E
|
|
Friday
Apr 24
|
Mostly Sunny then Slight Chance Rain Showers
|
74°F |
6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Althom.