Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 12%

05:28

13:20

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:39, Set: 16:01, Transit: 11:50. Moon - Rise: 05:28, Set: 13:20. Civil Dark: 16:37 - 07:03. Nautical Dark: 17:17 - 06:24. Astro Dark: 17:55 - 05:46

Total Clouds (% Sky Obscured)

92
100
98
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
45
50
50
50
50
50
45
40
40
40
35
35
35
30
35
35
35
35
30
30
30
25
25

Medium Clouds (% Sky Obscured)

62
61
65
18
35
18
61
90
66
98
99
95
100
100
100
94
82
43
86
74
25
39
53
86

High Clouds (% Sky Obscured)

92
87
74
63
51
57
56
50
95
97
100
100
100
100
81
71
100
100
100
100
100
100
100
70

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 (%)

100
100
99
100
99
54
50
48
19
9
4
6
13
13
12
31
37
42
45
29
30
25
29
23

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
2
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)

7
7
7
7
8
8
8
8
8
8
7
7
7
7
6
4
2
1
2
2
2
1
2
1

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0

Feels Like (°C)

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

Dew Point (°C)

-3
-4
-4
-5
-6
-6
-6
-6
-5
-5
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3

Relative Humidity (%)

83
80
77
72
70
66
65
65
67
70
71
70
70
71
71
71
74
76
77
78
80
81
80
81

Pressure (mb)

1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022

Ozone (du)

297
298
297
296
292
293
294
293
293
296
295
296
299
302
305
304
300
299
297
293
289
289
289
290

Wednesday 17

Waning Crescent 7%

06:35

13:44

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:40, Set: 16:01, Transit: 11:51. Moon - Rise: 06:35, Set: 13:44. Civil Dark: 16:38 - 07:04. Nautical Dark: 17:18 - 06:24. Astro Dark: 17:56 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
96
96
96
92
68
82
79
46
46

Low Clouds (% Sky Obscured)

50
91
100
99
93
74
70
53
84
68
81
60
25
18
27
26
21
10
6
4
4
5
6
17

Medium Clouds (% Sky Obscured)

88
79
81
89
100
100
100
100
100
97
98
88
93
94
86
77
69
71
45
42
71
70
37
20

High Clouds (% Sky Obscured)

46
84
86
100
100
100
100
100
100
64
82
100
100
100
72
60
70
80
70
36
30
12
3
1

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 (%)

45
48
49
38
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
None
None
None

Precipitation Probability (%)

0
0
0
0
1
0
1
2
1
6
8
12
9
12
14
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-1
-1
-1
-1
0
1
0
0
-0
-0
-0
-0
0
-1
-0
-0
0
1
0
1
1

Dew Point (°C)

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

Relative Humidity (%)

78
80
77
76
73
70
69
69
70
73
73
76
77
77
77
79
78
81
83
84
86
86
88
88

Pressure (mb)

1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1027
1027
1027

Ozone (du)

289
288
288
288
290
293
293
293
294
292
291
290
291
291
295
299
302
305
307
307
309
309
310
311

Thursday 18

Waning Crescent 3%

No Rise

14:17

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:41, Set: 16:02, Transit: 11:51. Moon - Rise: No Rise, Set: 14:17. Civil Dark: 16:38 - 07:04. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:56 - 05:47

Total Clouds (% Sky Obscured)

45
53
47
49
50
50
49
50
66
93
86
76
89
91
85
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
24
25
25
27
28
34
35
58
91
83
75
88
91
83
96
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

10
8
4
2
2
1
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

1
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
7
5
4
3
3
2
1
0
0

Fog (%)

0
47
59
68
20
15
3
16
34
75
93
97
99
99
99
99
99
99
99
99
99
99
99
99

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
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
88
81
77
76
75
77
83
91
94
98
98
96
96
96
96
96
98
98
98
100
98
98

Pressure (mb)

1028
1028
1028
1029
1029
1028
1028
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

312
315
318
319
317
312
307
304
307
310
310
308
307
309
309
309
312
316
319
323
327
332
332
331

Friday 19

Waning Crescent 1%

07:38

14:59

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:41, Set: 16:02, Transit: 11:52. Moon - Rise: 07:38, Set: 14:59. Civil Dark: 16:39 - 07:05. Nautical Dark: 17:18 - 06:26. Astro Dark: 17:56 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
89
93
78
70
68
78
93
100
100
100
100
99
99
100
100
100
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
86
91
72
62
60
73
91
100
99
99
98
97
98
99
100
99
99
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
7
14
17
23
26
54
46
66
58
63
60
46

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
7
5
27
37
44
47

ISS Passover

Visibility (miles)

0
0
0
1
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

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 (%)

2
1
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)

2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

3
3
3
4
4
4
4
4
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
94
91
89
86
89
93
96
96
94
93
91
89
89
88
89
86
88
86
86
88

Pressure (mb)

1026
1026
1026
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1022

Ozone (du)

329
325
321
318
315
311
307
304
301
298
293
290
285
277
276
272
274
284
294
306
309
310
313
314

Saturday 20

New Moon 0%

08:32

15:53

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 OK
22 Bad
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:42, Set: 16:02, Transit: 11:52. Moon - Rise: 08:32, Set: 15:53. Civil Dark: 16:39 - 07:05. Nautical Dark: 17:19 - 06:26. Astro Dark: 17:57 - 05:48

Total Clouds (% Sky Obscured)

98
98
98
95
92
91
93
96
98
98
98
96
79
59
40
41
43
42
55
65
80
74
72
72

Low Clouds (% Sky Obscured)

98
98
98
95
78
58
41
27
25
30
26
27
56
57
40
41
43
42
55
62
74
69
64
61

Medium Clouds (% Sky Obscured)

43
35
22
8
5
2
20
36
50
33
21
6
9
8
8
6
4
2
2
7
8
19
25
25

High Clouds (% Sky Obscured)

40
37
40
36
38
44
65
82
93
88
85
82
67
42
16
13
10
7
7
6
4
3
2
2

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 (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

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
7
7
5
4
2
1
1
1
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)

2
1
2
2
3
4
4
4
4
4
4
4
5
4
5
5
5
5
6
5
6
6
5
6

Chance of Frost

Temperature (°C)

3
4
4
4
5
5
6
6
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
83
82
79
78
79
80
85
88
91
93
94
94
96
94
94
96
96
94
94
94
93

Pressure (mb)

1022
1022
1022
1022
1022
1021
1020
1020
1019
1019
1019
1019
1019
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015

Ozone (du)

317
320
323
324
321
319
319
320
319
316
312
303
294
291
288
284
285
286
286
286
285
284
285
285

Sunday 21

Waxing Crescent 2%

09:15

16:57

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

Sun - Rise: 07:42, Set: 16:03, Transit: 11:53. Moon - Rise: 09:15, Set: 16:57. Civil Dark: 16:39 - 07:06. Nautical Dark: 17:19 - 06:27. Astro Dark: 17:57 - 05:49

Total Clouds (% Sky Obscured)

71
68
68
69
66
63
71
80
93
75
52
29
47
71
87
91
95
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
51
47
36
26
15
20
19
28
35
45
29
47
71
86
87
89
93
95
98
100
100
100
100

Medium Clouds (% Sky Obscured)

27
28
27
22
17
13
25
45
62
50
33
17
18
16
17
18
24
15
15
20
25
30
55
70

High Clouds (% Sky Obscured)

5
9
14
24
37
50
53
54
51
49
47
29
29
16
5
27
53
81
86
86
87
84
83
83

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 (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

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
1
0
1
1
1
2
3
1
5
7
4
8
9
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
0
0
0

Wind Speed/Direction (mph)

7
7
7
8
9
9
10
10
11
11
12
13
14
14
14
14
14
13
13
12
11
9
9
8

Chance of Frost

Temperature (°C)

3
4
4
4
5
6
6
6
6
6
6
5
5
6
6
6
6
6
6
6
5
5
5
5

Feels Like (°C)

0
0
-0
-1
-1
-1
-1
2
2
1
1
1
1
1
1
2
2
2
2
1
1
1
2
1

Dew Point (°C)

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

Relative Humidity (%)

93
89
83
80
73
70
65
70
76
82
85
86
90
90
88
88
88
88
86
88
88
90
90
91

Pressure (mb)

1015
1015
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

286
287
288
288
289
289
289
290
290
291
291
292
292
293
293
294
293
291
290
289
288
287
286
286

Monday 22

Waxing Crescent 6%

09:49

18:07

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:43, Set: 16:03, Transit: 11:53. Moon - Rise: 09:49, Set: 18:07. Civil Dark: 16:40 - 07:06. Nautical Dark: 17:20 - 06:27. Astro Dark: 17:58 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

70
75
70
70
70
55
50
40
35
50
55
65
80
85
80
77
74
70

High Clouds (% Sky Obscured)

77
79
77
80
83
86
78
71
74
76
84
81
88
91
94
95
95
96

ISS Passover

Visibility (miles)

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

Fog (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

Precipitation Type

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

Precipitation Probability (%)

8
8
5
6
6
2
8
9
5
9
12
15
13
12
7
8
8
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
7
7
7
7
7
6
6
6
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

5
5
5
5
5
6
6
6
6
6
5
5
5
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

3
3
3
4
4
3
4
4
4
4
4
4
3
3
4
4
4
4

Relative Humidity (%)

89
89
88
90
88
85
85
85
86
86
88
88
88
88
90
90
90
90

Pressure (mb)

1011
1011
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010

Ozone (du)

286
286
286
285
286
286
286
285
284
283
284
286
287
291
294
297
301
305

Forecast for Ottakring, Vienna, Republic of Austria (48.22,16.30)

Generated: 16/12/25 07:08:14. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+1.00