Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

03:46

18:14

22 Good
23 Good
00 Good
01 OK
02 OK
03 OK
04 OK
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 06:42, Set: 19:02, Transit: 12:52. Moon - Rise: 03:46, Set: 18:14. Civil Dark: 19:32 - 06:12. Nautical Dark: 20:08 - 05:36. Astro Dark: 20:45 - 04:58

Total Clouds (% Sky Obscured)

0
15
18
23
23
22
19
17
16
11
0
0
0
0
0
0
0
2
1
0
0
0
0
17

Low Clouds (% Sky Obscured)

0
15
18
21
19
20
17
17
16
11
0
0
0
0
0
0
0
0
0
0
0
0
0
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
6
20
33
38
11
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
5
4
4
4
4
3
2
2
3
4
4
4
4
4
3
3
1
3
4

Chance of Frost

Temperature (°C)

14
13
13
13
13
13
12
12
12
12
13
17
20
21
23
24
24
25
25
24
23
20
19
18

Feels Like (°C)

15
15
14
14
14
14
14
13
13
13
15
19
22
24
25
26
26
27
27
27
26
24
22
20

Dew Point (°C)

11
10
9
10
10
10
9
9
9
9
9
11
12
13
13
14
14
15
15
16
18
17
16
15

Relative Humidity (%)

80
79
79
80
80
81
81
83
84
83
77
67
62
58
55
53
53
53
54
59
72
80
82
85

Pressure (mb)

1026
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1027
1027
1027

Ozone (du)

260
261
262
262
263
262
259
257
255
255
254
253
251
250
249
248
248
248
249
249
249
251
251
252

Friday 19

Waning Crescent 2%

04:59

18:30

22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 Good
10 Good
11 Good
12 OK
13 Bad
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK

Sun - Rise: 06:43, Set: 19:00, Transit: 12:51. Moon - Rise: 04:59, Set: 18:30. Civil Dark: 19:30 - 06:13. Nautical Dark: 20:06 - 05:37. Astro Dark: 20:43 - 05:00

Total Clouds (% Sky Obscured)

23
22
26
26
25
27
82
66
45
29
30
6
5
10
26
54
43
64
67
99
98
70
59
47

Low Clouds (% Sky Obscured)

20
22
21
24
22
25
31
26
24
20
7
0
0
4
13
16
13
21
24
20
14
11
19
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
76
97
61
51
24

High Clouds (% Sky Obscured)

0
0
0
0
3
3
55
37
21
6
27
6
5
8
15
54
37
64
55
66
61
57
25
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
2
12
25
36
35
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
3
3
3
2
1
3
4
5
5
5
5
5
4
3
2
4
4

Chance of Frost

Temperature (°C)

16
15
15
14
14
14
13
13
13
13
14
18
20
22
23
24
25
25
25
24
23
21
20
19

Feels Like (°C)

19
18
17
16
16
15
16
13
13
14
16
20
22
24
25
26
25
26
25
25
24
21
22
20

Dew Point (°C)

14
13
12
12
11
11
11
11
11
11
11
13
13
15
15
15
15
15
15
16
17
16
16
15

Relative Humidity (%)

86
86
84
86
84
84
86
87
87
89
82
72
67
64
60
57
55
52
53
59
71
75
78
81

Pressure (mb)

1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

253
253
253
253
252
252
253
254
254
254
254
254
253
253
251
249
250
251
252
253
254
255
256
256

Saturday 20

Waning Crescent 0%

06:10

18:45

22 OK
23 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Good
10 Good
11 OK
12 OK
13 Good
14 Good
15 Good
16 OK
17 OK
18 OK
19 Good
20 OK
21 OK

Sun - Rise: 06:45, Set: 18:58, Transit: 12:51. Moon - Rise: 06:10, Set: 18:45. Civil Dark: 19:28 - 06:14. Nautical Dark: 20:04 - 05:38. Astro Dark: 20:41 - 05:01

Total Clouds (% Sky Obscured)

42
42
36
35
36
49
49
50
64
63
53
10
5
36
22
2
10
13
22
34
21
17
28
38

Low Clouds (% Sky Obscured)

30
30
30
29
31
34
27
25
25
16
5
0
2
17
13
0
1
2
3
2
1
0
8
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
16
19
21
42
28
24
7
3
19
3
2
10
11
19
33
19
17
28
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
1
6
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
4
4
4
3
0
2
4
5
5
5
5
4
2
1
2
4
4

Chance of Frost

Temperature (°C)

17
16
16
15
14
14
13
13
13
13
14
18
19
21
23
24
24
25
25
25
23
21
19
18

Feels Like (°C)

19
18
18
17
16
15
15
15
14
14
17
21
22
23
23
25
26
26
26
27
25
23
21
20

Dew Point (°C)

14
13
12
12
11
11
11
11
11
10
11
12
12
12
13
13
13
12
13
15
16
16
16
14

Relative Humidity (%)

79
79
79
80
82
83
84
86
86
84
79
67
60
55
53
50
47
46
47
54
66
75
80
79

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1013
1013
1013
1012
1013
1013

Ozone (du)

257
257
257
257
257
256
256
256
255
255
255
256
256
257
258
258
258
257
256
255
255
254
254
255

Sunday 21

New Moon 0%

07:18

18:59

22 OK
23 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:46, Set: 18:56, Transit: 12:51. Moon - Rise: 07:18, Set: 18:59. Civil Dark: 19:26 - 06:16. Nautical Dark: 20:02 - 05:40. Astro Dark: 20:38 - 05:03

Total Clouds (% Sky Obscured)

45
47
38
30
17
7
0
4
8
13
10
6
19
36
44
61
70
44
50
37
53
54
44
62

Low Clouds (% Sky Obscured)

25
24
23
20
15
7
0
4
8
13
10
5
11
27
34
57
65
30
26
25
23
45
29
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
2
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

45
47
38
30
17
7
0
4
8
13
10
6
15
12
7
0
6
16
32
15
39
28
20
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
0
0
0
2
5
10
26
16
28
32
47
67
39
12
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
5
5
5
5
4
3
2
4
4
5
5
5
5
5
3
4
1
3

Chance of Frost

Temperature (°C)

16
15
14
14
13
13
13
12
12
12
13
16
19
21
23
24
25
25
25
25
23
21
19
17

Feels Like (°C)

19
17
16
15
15
15
14
13
13
14
14
18
21
23
24
25
25
25
26
26
25
22
20
18

Dew Point (°C)

13
12
12
11
11
10
10
10
10
10
9
10
11
13
14
15
16
16
15
17
18
18
17
16

Relative Humidity (%)

82
82
84
84
84
84
83
84
84
84
79
67
59
58
58
57
56
56
54
59
73
85
90
92

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1013
1013
1013
1012
1012
1013
1014
1015
1015

Ozone (du)

256
256
255
254
255
254
255
255
255
256
258
260
260
260
260
261
261
261
262
262
262
262
263
265

Monday 22

Waxing Crescent 3%

08:26

19:14

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:47, Set: 18:53, Transit: 12:50. Moon - Rise: 08:26, Set: 19:14. Civil Dark: 19:24 - 06:17. Nautical Dark: 20:00 - 05:41. Astro Dark: 20:36 - 05:05

Total Clouds (% Sky Obscured)

72
82
86
89
84
81
83
84
85
96
80
75
70
69
79
89
91
94
95
97
98
100
100
100

Low Clouds (% Sky Obscured)

16
26
46
48
51
50
52
48
47
51
41
37
35
51
64
76
65
56
44
52
60
64
72
75

Medium Clouds (% Sky Obscured)

0
0
0
17
20
24
24
39
64
88
38
43
43
54
60
58
72
80
90
92
94
96
95
93

High Clouds (% Sky Obscured)

63
61
59
58
52
51
45
45
46
65
64
64
59
65
70
76
81
79
85
83
86
89
92
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
4
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
1
1
0
0
0
0
0
0
0
1
2
3
9
13
17
20
20
17
33
48
64
63
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3

Wind Speed/Direction (mph)

3
3
3
2
2
2
1
2
2
1
1
1
1
2
3
3
3
3
2
2
1
1
1
1

Chance of Frost

Temperature (°C)

16
14
14
13
12
12
12
12
12
12
12
15
18
21
22
23
23
23
23
22
21
20
19
18

Feels Like (°C)

16
14
14
13
13
13
12
12
12
13
13
15
17
20
21
22
23
24
23
23
22
22
22
19

Dew Point (°C)

14
13
12
11
10
11
10
11
11
12
11
13
15
17
18
18
18
18
18
17
17
17
18
17

Relative Humidity (%)

90
90
90
89
90
92
92
93
95
96
93
87
82
79
78
75
74
73
73
72
80
86
93
93

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

265
264
263
263
264
265
265
265
266
266
267
267
268
268
268
269
269
268
268
267
267
266
265
266

Tuesday 23

Waxing Crescent 7%

09:33

19:31

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:49, Set: 18:51, Transit: 12:50. Moon - Rise: 09:33, Set: 19:31. Civil Dark: 19:22 - 06:18. Nautical Dark: 19:57 - 05:43. Astro Dark: 20:34 - 05:06

Total Clouds (% Sky Obscured)

100
99
98
96
98
99
100
100
100
100
97
94
92
87
87
83
91
97
99
96
94
91
88
90

Low Clouds (% Sky Obscured)

79
55
30
8
15
22
29
41
53
65
73
81
90
87
87
83
91
94
97
94
92
91
88
88

Medium Clouds (% Sky Obscured)

92
93
93
93
96
98
100
94
89
87
93
94
92
87
87
83
89
92
94
91
86
77
84
87

High Clouds (% Sky Obscured)

97
93
88
85
89
94
98
98
98
99
90
73
55
50
46
46
46
55
60
59
57
48
49
41

ISS Passover

Visibility (miles)

7
9
9
9
9
8
6
4
5
6
7
7
7
7
7
7
7
7
7
8
8
7
7
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

53
49
39
11
47
62
71
95
95
95
90
68
25
35
41
44
67
77
89
61
39
20
24
37

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.5
0.6
0.7
0.5
0.3
0
0
0
0
0.3
0.4
0.6
0.2
0
0
0
0

Wind Speed/Direction (mph)

1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

18
18
18
17
17
16
15
15
14
14
14
15
16
16
17
17
18
17
17
17
16
14
13
13

Feels Like (°C)

19
20
20
19
19
17
16
16
16
15
15
15
15
16
16
17
18
17
16
17
16
14
14
13

Dew Point (°C)

17
18
17
17
16
16
15
14
14
14
13
14
15
15
15
16
17
16
15
15
14
13
12
12

Relative Humidity (%)

95
96
96
96
96
96
98
98
96
98
96
96
93
92
92
93
93
93
92
90
92
92
93
93

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1016
1016
1017

Ozone (du)

266
266
266
265
265
266
267
269
268
268
268
269
269
270
270
271
272
273
274
275
275
275
275
275

Wednesday 24

Waxing Crescent 13%

10:42

19:51

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:50, Set: 18:49, Transit: 12:50. Moon - Rise: 10:42, Set: 19:51. Civil Dark: 19:20 - 06:20. Nautical Dark: 19:55 - 05:44. Astro Dark: 20:32 - 05:08

Total Clouds (% Sky Obscured)

82
75
63
53
64
71
75
80
86
91
88
84
80
86
89
92

Low Clouds (% Sky Obscured)

82
75
63
53
64
71
75
80
80
80
82
80
80
83
87
87

Medium Clouds (% Sky Obscured)

82
75
63
53
50
50
50
46
43
43
40
23
11
22
33
42

High Clouds (% Sky Obscured)

36
33
32
35
39
42
45
45
45
45
27
13
1
2
2
4

ISS Passover

Visibility (miles)

5
4
3
2
2
1
1
0
0
0
0
0
0
0
1
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

48
52
48
35
30
27
26
25
25
28
38
48
59
63
71
81

Precipitation Amount (mm)

0
0.2
0.2
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.5
0.7

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
4

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
11
11
11
11
11
12
13
14
14
14

Feels Like (°C)

13
12
12
12
11
11
11
11
12
12
12
12
13
14
14
16

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
12
12
14
13
14

Relative Humidity (%)

95
96
96
98
98
98
98
98
100
98
98
98
98
100
98
96

Pressure (mb)

1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022

Ozone (du)

275
274
275
275
275
275
275
276
277
278
279
279
280
281
281
281

Forecast for Oberberg, Politischer Bezirk Graz-Umgebung, Republic of Austria (47.07,15.32)

Generated: 18/09/25 22:13:02. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00