diff --git a/pkgs/development/python-modules/aioecowitt/default.nix b/pkgs/development/python-modules/aioecowitt/default.nix
new file mode 100644
index 000000000000..32a6152efc12
--- /dev/null
+++ b/pkgs/development/python-modules/aioecowitt/default.nix
@@ -0,0 +1,46 @@
+{ lib
+, aiohttp
+, buildPythonPackage
+, fetchFromGitHub
+, meteocalc
+, pytest-aiohttp
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "aioecowitt";
+  version = "2022.7.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.9";
+
+  src = fetchFromGitHub {
+    owner = "home-assistant-libs";
+    repo = pname;
+    rev = "refs/tags/${version}";
+    hash = "sha256-GALBhapE31CM2mqBrgcdQf5SJV+edN3kj35r0cf7BcU=";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+    meteocalc
+  ];
+
+  checkInputs = [
+    pytest-aiohttp
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "aioecowitt"
+  ];
+
+  meta = with lib; {
+    description = "Wrapper for the EcoWitt protocol";
+    homepage = "https://github.com/home-assistant-libs/aioecowitt";
+    changelog = "https://github.com/home-assistant-libs/aioecowitt/releases/tag/${version}";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/meteocalc/default.nix b/pkgs/development/python-modules/meteocalc/default.nix
new file mode 100644
index 000000000000..6b18bba979ca
--- /dev/null
+++ b/pkgs/development/python-modules/meteocalc/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "meteocalc";
+  version = "1.1.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "malexer";
+    repo = pname;
+    rev = version;
+    hash = "sha256-WuIW6hROQkjMfbCLUouECIrp4s6oCd2/N79hsrTbVTk=";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "meteocalc"
+  ];
+
+  meta = with lib; {
+    description = "Module for calculation of meteorological variables";
+    homepage = "https://github.com/malexer/meteocalc";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8b01d2c424d1..e31c395d25ac 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -287,6 +287,8 @@ in {
 
   aioeagle = callPackage ../development/python-modules/aioeagle { };
 
+  aioecowitt = callPackage ../development/python-modules/aioecowitt { };
+
   aioemonitor = callPackage ../development/python-modules/aioemonitor { };
 
   aioesphomeapi = callPackage ../development/python-modules/aioesphomeapi { };
@@ -5459,6 +5461,8 @@ in {
 
   meteoalertapi = callPackage ../development/python-modules/meteoalertapi { };
 
+  meteocalc = callPackage ../development/python-modules/meteocalc { };
+
   meteofrance-api = callPackage ../development/python-modules/meteofrance-api { };
 
   mezzanine = callPackage ../development/python-modules/mezzanine { };