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PMW advanced observatoryMinecraft mod for 1.21.1

In addition to the rain gauge, this mod adds temperature, wind speed, humidity, wind radar, and current weather information. You need Protomanly Weather version 0.16.4 ~ 0.17.0 or later to use this mod.

client and servernewest supported 1.21.1AdventureGame Mechanics
Latest version
1.4.8
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Forge, NeoForge
Licence
LicenseRef-All-Rights-Reserved
Downloads
4.6k
Updated
1 mo ago
Available on
Modrinth
Space NodeOur hosting

Host PMW advanced observatory servers

One click and PMW advanced observatory is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version PMW advanced observatory declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From PMW advanced observatory’s own host. Nothing is re-hosted here.

All 43 releases
1.4.8release21 Jul 2026

pmwrain_addon-1.4.8.jar · 12.0 MB · for 1.21.1

Download latest
65246058b07e…
Older versions24
  • 1.4.719 Jul 20261.21.112.0 MB53 downloads868bbb1c4b87…Get
  • 1.4.618 Jul 20261.21.112.0 MB41 downloadsca4eeef6b115…Get
  • 1.4.59 Jul 20261.21.111.9 MB161 downloads82ad23f0a61f…Get
  • 1.4.427 Jun 20261.21.19.3 MB296 downloads41524003ca56…Get
  • 1.4.3b23 Jun 20261.21.19.3 MB90 downloadse155e5f7d963…Get
  • 1.4.2b16 Jun 20261.21.19.0 MB138 downloads7d1b2e29408a…Get
  • 1.4.1b15 Jun 20261.21.17.8 MB23 downloads9feeef763958…Get
  • 1.4.0b14 Jun 20261.21.17.6 MB25 downloadsb84912647b6f…Get
  • 1.3.629 May 20261.21.10.3 MB778 downloadse727b023f6a1…Get
  • 1.2.10-1.20.129 May 20261.20.10.2 MB208 downloadsae478f0506c7…Get
  • 1.3.5-hotfix-224 May 20261.21.10.3 MB94 downloads33bc4cfc4535…Get
  • 1.3.5-hotfix-124 May 20261.21.10.3 MB9 downloads74218810ccf2…Get
  • 1.3.523 May 20261.21.10.3 MB30 downloadsdc074f6b36a5…Get
  • 1.3.420 May 20261.21.10.3 MB53 downloads542e1ad1bd7b…Get
  • 1.2.9.20-1.20.120 May 20261.20.10.2 MB51 downloads6e00bb82a348…Get
  • 1.2.9.10-1.20.119 May 20261.20.10.2 MB8 downloads1ace4cb24212…Get
  • 1.3.317 May 20261.21.10.3 MB45 downloads7430db60c66a…Get
  • 1.3.2-hotfix-116 May 20261.21.10.3 MB34 downloads6d4a80d8be9c…Get
  • 1.2.9-hotfix-1-1.20.116 May 20261.20.10.2 MB14 downloads2daf4389451d…Get
  • r1.2.9-1.20.116 May 20261.20.10.2 MB4 downloads25b86a89b5da…Get
  • 1.3.215 May 20261.21.10.3 MB30 downloadsb9a7aa1a9f63…Get
  • 1.3.1b14 May 20261.21.10.3 MB20 downloads006d6d908fd3…Get
  • 1.3.0b12 May 20261.21.10.3 MB31 downloads82e52e503ef8…Get
  • 1.2.8-hotfix-11 May 20261.21.10.2 MB110 downloadsbd6779caa271…Get

Frequently asked

Does PMW advanced observatory work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version PMW advanced observatory declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does PMW advanced observatory support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install PMW advanced observatory on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does PMW advanced observatory support?

Forge, NeoForge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for PMW advanced observatory?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is PMW advanced observatory under?

LicenseRef-All-Rights-Reserved, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install PMW advanced observatory?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download PMW advanced observatory safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 2 Sept 2026. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .