Lancaster weather live forecast

Today's maximum temperature in Lancaster is expected to be 34°C. Select a day from the live weather forecast for Lancaster, Pennsylvania, USA for more weather parameters.

Thursday
16th Jul
34

24

9

8
Friday
17th Jul
29

21

11

8
Saturday
18th Jul
26

23

1

6
Sunday
19th Jul
26

19

8

7
Monday
20th Jul
26

18

9

8

5-day weather forecast updated at 04:01 on Thursday 16th July 2026 GMT

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The 5-day weather forecast for Pennsylvania (Lancaster) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lancaster weather forecast by day

Below are the detailed weather forecasts for Lancaster for the next 5 days.

Lancaster weather for Thursday 16th July 2026

Expect scattered clouds in Lancaster, Pennsylvania with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.

34
°C maximum temperature
24
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from W

Lancaster weather for Friday 17th July 2026

Expect scattered clouds in Lancaster, Pennsylvania with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the north.

29
°C maximum temperature
21
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
3
kph wind from N

Lancaster weather for Saturday 18th July 2026

Expect isolated thunderstorms in Lancaster, Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a light breeze of 7 kph from the south.

26
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
90
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
7
kph wind from S

Lancaster weather for Sunday 19th July 2026

Expect isolated thunderstorms in Lancaster, Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a light breeze of 12 kph from the north-west.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
40
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
12
kph wind from NW

Lancaster weather for Monday 20th July 2026

Expect scattered clouds in Lancaster, Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.