Company: RAIN
Filing Date: 2025-08-14
Form Type: 424B3
Source: 0001213900-25-076764
Chunk: 54

Company: Rain Enhancement Technologies Holdco, Inc.
Filing Date: 2025-08-14
Form: 424B3
Chunk 54
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18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</div>

In connection with the Quarterly Report of Rain
Enhancement Technologies Holdco, Inc. (the “Company”) on Form 10-Q for the quarterly period ended June 30, 2025, as filed
with the Securities and Exchange Commission (the “Report”), I, Oanh Truong, Interim Chief Financial Officer of the Company,
certify, pursuant to 18 U.S.C. §1350, as added by §906 of the Sarbanes-Oxley Act of 2002, that:

1. The
Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The
information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the
Company.

| Date: August 14, 2025 |     |                                             |
|:----------------------|:----|:--------------------------------------------|
|                       | By: | /s/ Oanh Truong                             |
|                       |     | Name: Oanh Truong                           |
|                       |     | Title: Interim Chief Financial Officer      |
|                       |     | -Principal Financial and Accounting Officer |