Gettysburg weather live forecast

Today's maximum temperature in Gettysburg is expected to be 33°C. Select a day from the live weather forecast for Gettysburg, Pennsylvania, USA for more weather parameters.

Monday
18th May
33

18

13

9
Tuesday
19th May
33

20

8

9
Wednesday
20th May
31

17

6

7
Thursday
21st May
17

10

0

8
Friday
22nd May
16

9

0

4

5-day weather forecast updated at 04:02 on Monday 18th May 2026 GMT

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

Gettysburg weather forecast by day

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

Gettysburg weather for Monday 18th May 2026

Expect scattered clouds in Gettysburg, Pennsylvania with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

33
°C maximum temperature
18
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from S

Gettysburg weather for Tuesday 19th May 2026

Expect scattered clouds in Gettysburg, Pennsylvania with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

33
°C maximum temperature
20
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
13
kph wind from SW

Gettysburg weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Gettysburg, Pennsylvania with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 14 kph from the west.

31
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
83
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from W

Gettysburg weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Gettysburg, Pennsylvania with a maximum temperature of 17°C, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 13 kph from the north.

17
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
8
UV index (Very High)
31
% chance of some rain
<5
mm of rainfall expected
17
°C wind chill
13
kph wind from N

Gettysburg weather for Friday 22nd May 2026

Expect cloudy with some rain in Gettysburg, Pennsylvania with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a light breeze of 10 kph from the south-east.