Observers at Summit

Become a Member

Donate today and become a Mount Washington Observatory member. Together, we can continue our long-term study of weather and the bigger picture of Earth’s climate.
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Sunset from summit

Gift Memberships

When you give the gift of membership, your friends and family will receive all of our benefits and know they are supporting our work.
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Snowcat driving to summit

Dedication Gifts

Make a donation in honor or memory of someone special to you. We can take care of acknowledging your gift as you would like.
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Help us continue our commitment to weather and climate research, innovative education programs, and sustaining our summit weather station in Mount Washington’s unique, extreme environment.

Making a gift to Mount Washington Observatory means sustaining one of the longest continuous weather records in North America, year-round forecasts that keep people safe and aid in search and rescue operations, and education programs that bring our expertise into classrooms and homes to build scientific learning.

Observer on instrument tower

Donor Advised Fund

Our monthly virtual lecture series features experts on weather and climate topics.
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Measuring temperature

Gifts of Stock

Our monthly virtual lecture series features experts on weather and climate topics.
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Sunset and tower

Planned Giving

Members of our Legacy Society ensure those who rely on our forecasts, hourly observation dataset, and educational programs have access to our resources for years to come.
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Donate Pages

  • Seek the Peak
  • Donor Advised Fund
  • Gifts of Stock
  • Planned Giving
  • Giving Societies
  • Corporate Sponsorships
  • In-Kind Donations
  • Employer Match

Donate

  • Make a donation online today!
  • Checks should be made payable to Mount Washington Observatory. Please send to:
  • Call to give a credit card over the phone: 603-356-2137.

Membership

As a private, nonprofit institution, membership is the fuel that powers Mount Washington Observatory. Any donation qualifies you and your household for a one-year membership.

Dedication Gifts

Make a donation recognizing someone special. Let us know where you’d like a notification letter to be sent, or send a notification email directly.

Donor Advised Fund

You can support MWO by recommending a gift from your Donor Advised Fund. Please use the following information:

  • Full Legal name: Mount Washington Observatory
  • Tax ID Number
  • Address

Gifts of Stock

Making a gift of appreciated securities can be more advantageous than giving cash Stock gifts are tax deductible at the market value on the day of the gift.

Planned Giving

Language: A planned gift is one of the most powerful ways you can leave a lasting legacy at the Home of the World’s Worst Weather. As a member of Mount Washington Observatory’s Legacy Society, you can ensure that those who rely on our forecasts, hourly observation dataset, and educational programs have access to our resources for years to come.

As with any decision involving your estate plans, we encourage you to seek the advice of professional counsel when considering a planned gift to the Observatory. If you have already included the Observatory in your long-range financial and/or estate plans, please let us know! You can fill out our Declaration of Intent Form or contact us at: 603-356-2137 or giving@mountwashington.org. We would love the opportunity to thank you.

  • Bequests:
  • Beneficiary Designations
  • Life insurance policies
  • Designate MWOBS as a primary beneficiary of your life insurance policy or as contingent beneficiary should your other beneficiaries not survive you.
  • Retirement plans
  • Designate MWOBS as a primary beneficiary of your life retirement plan (IRA, 401(k), or other qualified retirement plans) or as contingent beneficiary should your other beneficiaries not survive you.
  • Charitable Gift Annuities

Gifting Societies

Legacy Society Members will receive regular program updates, recognition in our annual report (optional), and a special thank you gift. You also know that you are making an impact on weather and climate science for future generations.

Make a donation online today!

Checks should be made payable to Mount Washington Observatory. Please send to:

Or call to give a credit card over the phone: 603-356-2137

As a private, nonprofit institution, membership is the fuel that powers Mount Washington Observatory. Any donation qualifies you and your household for a one-year membership.

In addition to advancing weather and climate science on Mount Washington, you’ll receive our member benefits, which are designed to keep you informed about your impact as part of our community.

For a donation of at least $60/year or $5/month, benefits include:

§ A one-year subscription to our magazine, Windswept

§ Free tours of our famous mountaintop weather station during summer months

§ Advance notice of special events

§ And more!

Make a donation recognizing someone special. Let us know where you’d like a notification letter to be sent, or send a notification email directly.

You can support MWO by recommending a gift from your Donor Advised Fund. Please use the following information:

§ Full Legal name: Mount Washington Observatory

§ Tax ID Number:

§ Address:

Making a gift of appreciated securities can be more advantageous than giving cash Stock gifts are tax deductible at the market value on the day of the gift.

Language: A planned gift is one of the most powerful ways you can leave a lasting legacy at the Home of the World’s Worst Weather. As a member of Mount Washington Observatory’s Legacy Society, you can ensure that those who rely on our forecasts, hourly observation dataset, and educational programs have access to our resources for years to come.

As with any decision involving your estate plans, we encourage you to seek the advice of professional counsel when considering a planned gift to the Observatory. If you have already included the Observatory in your long-range financial and/or estate plans, please let us know! You can fill out our Declaration of Intent Form or contact us at: 603-356-2137 or giving@mountwashington.org. We would love the opportunity to thank you.

o Bequests:

o Beneficiary Designations

§ Life insurance policies

· Designate MWOBS as a primary beneficiary of your life insurance policy or as contingent beneficiary should your other beneficiaries not survive you.

§ Retirement plans

· Designate MWOBS as a primary beneficiary of your life retirement plan (IRA, 401(k), or other qualified retirement plans) or as contingent beneficiary should your other beneficiaries not survive you.

o Charitable Gift Annuities

Legacy Society Members will receive regular program updates, recognition in our annual report (optional), and a special thank you gift. You also know that you are making an impact on weather and climate science for future generations.

Donations submitted on this site are tax-deductible to the extent allowed by law and are processed in U.S. dollars. Mount Washington Observatory is a U.S. nonprofit, tax-exempt charitable organization (EIN: 02-0225135 )