Weather Almanac: Prompton, PA 18456

🗓️ Historical norms for May 2026

April June

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

May avg. precipitation

🌧️ 4.72"

May days below freezing

📉 ≈3.6 days

Average May lows 40°F – 45°F

USDA Zone

Annual extreme lows -10°F to -5°F

Last Spring Frost (36°F)

🌷 Jun 1

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First Fall Frost (36°F)

🍂 Sep 14

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Book Recommendations (ads!)

📚 Pennsylvania Month-by-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year

📚 Mid-Atlantic Gardener's Handbook, 2nd Edition: All You Need to Know to Plan, Plant & Maintain a Mid-Atlantic Garden

📚 The Timber Press Guide to Vegetable Gardening in the Northeast

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Fri. May 1

🌅 5:58 a.m.

H: 49°F – 69°F

L: 30°F – 44°F

🌇 7:59 p.m.

Sat. May 2

🌅 5:56 a.m.

H: 49°F – 70°F

L: 30°F – 45°F

🌇 8:00 p.m.

Sun. May 3

🌅 5:55 a.m.

H: 50°F – 70°F

L: 30°F – 45°F

🌇 8:01 p.m.

Mon. May 4

🌅 5:54 a.m.

H: 50°F – 70°F

L: 31°F – 46°F

🌇 8:02 p.m.

Tue. May 5

🌅 5:52 a.m.

H: 51°F – 71°F

L: 31°F – 46°F

🌇 8:03 p.m.

Wed. May 6

🌅 5:51 a.m.

H: 51°F – 71°F

L: 31°F – 46°F

🌇 8:04 p.m.

Thu. May 7

🌅 5:50 a.m.

H: 51°F – 71°F

L: 32°F – 47°F

🌇 8:05 p.m.

Fri. May 8

🌅 5:49 a.m.

H: 52°F – 72°F

L: 32°F – 47°F

🌇 8:06 p.m.

Sat. May 9

🌅 5:48 a.m.

H: 52°F – 72°F

L: 32°F – 47°F

🌇 8:07 p.m.

Sun. May 10

🌅 5:47 a.m.

H: 53°F – 72°F

L: 33°F – 48°F

🌇 8:09 p.m.

Mon. May 11

🌅 5:46 a.m.

H: 53°F – 73°F

L: 33°F – 48°F

🌇 8:10 p.m.

Tue. May 12

🌅 5:44 a.m.

H: 53°F – 73°F

L: 33°F – 48°F

🌇 8:11 p.m.

Wed. May 13

🌅 5:43 a.m.

H: 54°F – 73°F

L: 34°F – 49°F

🌇 8:12 p.m.

Thu. May 14 Ascension

🌅 5:42 a.m.

H: 54°F – 73°F

L: 34°F – 49°F

🌇 8:13 p.m.

Fri. May 15

🌅 5:41 a.m.

H: 54°F – 74°F

L: 34°F – 49°F

🌇 8:14 p.m.

Sat. May 16

🌅 5:40 a.m.

H: 55°F – 74°F

L: 35°F – 50°F

🌇 8:15 p.m.

Sun. May 17

🌅 5:39 a.m.

H: 55°F – 74°F

L: 35°F – 50°F

🌇 8:16 p.m.

Mon. May 18

🌅 5:39 a.m.

H: 55°F – 74°F

L: 35°F – 50°F

🌇 8:17 p.m.

Tue. May 19

🌅 5:38 a.m.

H: 56°F – 75°F

L: 36°F – 51°F

🌇 8:18 p.m.

Wed. May 20

🌅 5:37 a.m.

H: 56°F – 75°F

L: 36°F – 51°F

🌇 8:19 p.m.

Thu. May 21

🌅 5:36 a.m.

H: 56°F – 75°F

L: 36°F – 51°F

🌇 8:19 p.m.

Fri. May 22

🌅 5:35 a.m.

H: 57°F – 75°F

L: 37°F – 52°F

🌇 8:20 p.m.

Sat. May 23

🌅 5:34 a.m.

H: 57°F – 76°F

L: 37°F – 52°F

🌇 8:21 p.m.

Sun. May 24 Pentecost

🌅 5:34 a.m.

H: 57°F – 76°F

L: 38°F – 53°F

🌇 8:22 p.m.

Mon. May 25 Memorial Day

🌅 5:33 a.m.

H: 58°F – 76°F

L: 38°F – 53°F

🌇 8:23 p.m.

Tue. May 26

🌅 5:32 a.m.

H: 58°F – 76°F

L: 38°F – 53°F

🌇 8:24 p.m.

Wed. May 27

🌅 5:32 a.m.

H: 58°F – 77°F

L: 39°F – 53°F

🌇 8:25 p.m.

Thu. May 28

🌅 5:31 a.m.

H: 59°F – 77°F

L: 39°F – 54°F

🌇 8:26 p.m.

Fri. May 29

🌅 5:31 a.m.

H: 59°F – 77°F

L: 39°F – 54°F

🌇 8:26 p.m.

Sat. May 30

🌅 5:30 a.m.

H: 59°F – 77°F

L: 40°F – 55°F

🌇 8:27 p.m.

Sun. May 31

🌅 5:30 a.m.

H: 60°F – 77°F

L: 40°F – 55°F

🌇 8:28 p.m.

April June

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: PLEASANT MT 1 W (USC00367029)

Precipitation climatic data from weather station: PLEASANT MT 1 W (USC00367029)

Agricultural climatic data from weather station: PLEASANT MT 1 W (USC00367029)