Barometric Pressure Reports (inHg)

Report for Year 2026

Data last updated 4/15/2026 11:10 PM.

Day	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1	30.07	30.26	30.50	30.08	---	---	---	---	---	---	---	---
2	30.07	30.25	30.34	29.73	---	---	---	---	---	---	---	---
3	30.18	30.37	30.17	29.97	---	---	---	---	---	---	---	---
4	30.07	30.50	30.15	30.05	---	---	---	---	---	---	---	---
5	29.79	30.03	30.02	30.30	---	---	---	---	---	---	---	---
6	29.77	30.09	29.81	30.40	---	---	---	---	---	---	---	---
7	29.86	30.38	29.94	30.42	---	---	---	---	---	---	---	---
8	29.57	30.20	29.84	30.03	---	---	---	---	---	---	---	---
9	30.06	30.04	29.68	30.15	---	---	---	---	---	---	---	---
10	30.21	30.10	29.74	30.35	---	---	---	---	---	---	---	---
11	30.47	30.36	30.08	30.26	---	---	---	---	---	---	---	---
12	30.18	30.25	30.10	29.83	---	---	---	---	---	---	---	---
13	29.81	30.14	29.92	29.77	---	---	---	---	---	---	---	---
14	30.13	30.03	30.03	29.68	---	---	---	---	---	---	---	---
15	30.00	30.00	29.59	29.70	---	---	---	---	---	---	---	---
16	29.76	29.91	30.10	---	---	---	---	---	---	---	---	---
17	30.19	29.64	30.25	---	---	---	---	---	---	---	---	---
18	30.13	29.55	30.04	---	---	---	---	---	---	---	---	---
19	30.45	29.63	30.04	---	---	---	---	---	---	---	---	---
20	30.35	29.92	29.91	---	---	---	---	---	---	---	---	---
21	30.11	30.36	29.77	---	---	---	---	---	---	---	---	---
22	30.39	30.64	29.90	---	---	---	---	---	---	---	---	---
23	30.87	30.62	30.44	---	---	---	---	---	---	---	---	---
24	30.74	29.80	30.26	---	---	---	---	---	---	---	---	---
25	30.45	29.86	29.92	---	---	---	---	---	---	---	---	---
26	30.39	29.94	29.83	---	---	---	---	---	---	---	---	---
27	30.37	29.92	30.56	---	---	---	---	---	---	---	---	---
28	30.41	30.23	30.53	---	---	---	---	---	---	---	---	---
29	30.46		30.08	---	---	---	---	---	---	---	---	---
30	30.62		29.79	---	---	---	---	---	---	---	---	---
31	30.66		29.84		---		---	---		---		---
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
High	30.87	30.64	30.56	30.42	---	---	---	---	---	---	---	---
Average	30.21	30.11	30.04	30.05	---	---	---	---	---	---	---	---
Low	29.57	29.55	29.59	29.68	---	---	---	---	---	---	---	---

Color Key
< 29.40	29.40 - 29.50	29.50 - 29.60	29.60 - 29.70	29.70 - 29.80	29.80 - 29.90	29.90 - 30.00	30.00 - 30.10	30.10 - 30.20	30.20 - 30.30	30.30 - 30.40	30.40 - 30.50	30.50>

© 2026, GrinnellWeather.com | Weather-Display (10.37S-(b152)) | Valid XHTML 1.0 | Valid CSS

Never base important decisions on this or any weather information obtained from the Internet.