Lancaster County (Lancaster)
August
Weather in Lancaster County, Pennsylvania for August 2025
Your guide to Lancaster County weather in August - trends and predictions
The forecast for the next days in Lancaster County predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Lancaster County at the beginning of August is 27.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.6 °F by the end of August.
The climate of Lancaster County in August is notably wet, with an average of 15 rainy days, and a total of 208.5 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
16
Dry days
15
Rainy days
0
Snow days
27°/17°
Temperatures
15 km/h
Avg max wind
75 %
Avg humidity
Lancaster County Weather August
Move between months or click on a day
Temperatures trend during August in Lancaster County
See the weather trend as well as the moving average line
August weather in Lancaster County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 26° /18° | 1 mm | 1.3 | |
| Aug. 2 |  Partly cloudy | 25° /14° | 0 mm | 2.2 | |
| Aug. 3 |  Sunny | 29° /13° | 0 mm | 2 | |
| Aug. 4 | Sunny | 28° /15° | 0 mm | 1.8 | |
| Aug. 5 | Partly cloudy | 29° /17° | 0 mm | 0.1 | |
| Aug. 6 | Partly cloudy | 28° /16° | 0 mm | 6 | |
| Aug. 7 | Patchy rain possible | 28° /18° | 0.4 mm | 5 | |
| Aug. 8 | Patchy rain possible | 28° /19° | 4.2 mm | 5 | |
| Aug. 9 | Sunny | 31° /20° | 0 mm | 6 | |
| Aug. 10 | Patchy rain possible | 31° /21° | 0.4 mm | 6 | |
| Aug. 11 | Patchy rain possible | 30° /21° | 0.9 mm | 5 | |
| Aug. 12 | Patchy rain possible | 30° /20° | 1.2 mm | 5 | |
| Aug. 13 | Patchy rain possible | 30° /20° | 0.8 mm | 5 | |
| Aug. 14 | Sunny | 31° /20° | 0 mm | 7 | |
| Aug. 15 | Sunny | 27° /15° | 0 mm | 7 | |
| Aug. 16 | Partly cloudy | 29° /17° | 0 mm | 7 | |
| Aug. 17 |  Moderate or heavy rain shower | 26° /20° | 6.2 mm | 6 | |
| Aug. 18 | Moderate or heavy rain shower | 26° /18° | 29.7 mm | 6 | |
| Aug. 19 | Moderate or heavy rain shower | 26° /17° | 10.6 mm | 6 | |
| Aug. 20 | Partly cloudy | 20° /13° | 0 mm | 6 | |
| Aug. 21 | Partly cloudy | 21° /10° | 0 mm | 6 | |
| Aug. 22 | Partly cloudy | 23° /11° | 0 mm | 6 | |
| Aug. 23 | Partly cloudy | 25° /12° | 0 mm | 7 | |
| Aug. 24 | Partly cloudy | 27° /14° | 0 mm | 7 | |
| Aug. 25 | Partly cloudy | 29° /15° | 0 mm | 7 | |
| Aug. 26 |  Overcast | 29° /17° | 0 mm | 6 | |
| Aug. 27 | Partly cloudy | 30° /18° | 0 mm | 8 | |
| Aug. 28 | Patchy rain possible | 35° /20° | 0.5 mm | 8 | |
| Aug. 29 | Moderate or heavy rain shower | 24° /18° | 19.6 mm | 5 | |
| Aug. 30 | Patchy rain possible | 25° /18° | 0.5 mm | 6 | |
| Aug. 31 | Patchy rain possible | 28° /18° | 1.3 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Lancaster County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lancaster County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Lancaster County in August - FAQ
What are the expected maximum and minimum temperatures in Lancaster County during August?
During August, expect a variety of temperatures with highs around 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Lancaster County during August?
Significant rainfall exceeding 208.5 mm is expected in Lancaster County during August, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lancaster County during August?
The average wind speed in Lancaster County during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Lancaster County
Explore the daily rainfall trends and prepare for Lancaster Countys August weather 💧
UV exposure in Lancaster County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Top locations in Lancaster County
Select a location for an accurate weather forecast
More Locations Quick links
More Lancaster County weather pages
You are here
Where is Lancaster County?Get accurate weather forecasts for Lancaster County, located at latitude 40.038 and longitude -76.306. Stay updated with localized weather information tailored for Lancaster County.
Found a mistake?
We appreciate your attention to details. Tell us here.