Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Crescent 5%

10:10

17:38

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

Sun - Rise: 07:39, Set: 16:41, Transit: 12:10. Moon - Rise: 10:10, Set: 17:38. Civil Dark: 17:15 - 07:05. Nautical Dark: 17:53 - 06:29. Astro Dark: 18:29 - 05:52

Total Clouds (% Sky Obscured)

25
32
39
78
68
40
35
26
23
0
1
2
3
3
6
7
5
5
0
3
0
5
18
21

Low Clouds (% Sky Obscured)

25
32
39
78
68
40
35
26
23
0
1
2
2
2
2
2
0
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
3
10
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
3
4
3
0
3
0
5
4
7

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

38
47
31
41
57
52
31
24
23
20
19
20
20
18
13
9
1
1
0
2
3
3
2
4

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
1
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)

9
8
8
6
6
5
5
4
4
3
4
4
4
4
4
4
4
4
4
4
3
4
4
4

Chance of Frost

Temperature (°C)

-6
-6
-5
-4
-4
-4
-3
-3
-4
-4
-5
-5
-7
-7
-8
-8
-8
-8
-8
-8
-8
-7
-8
-7

Feels Like (°C)

-7
-7
-6
-6
-7
-7
-5
-5
-5
-5
-7
-7
-8
-8
-9
-9
-10
-9
-10
-9
-10
-9
-10
-9

Dew Point (°C)

-7
-7
-8
-8
-9
-10
-9
-10
-10
-9
-8
-7
-8
-9
-10
-10
-11
-11
-11
-11
-12
-12
-13
-12

Relative Humidity (%)

89
89
81
76
72
65
63
60
59
70
84
85
87
85
83
82
80
79
77
75
72
71
68
67

Pressure (mb)

1029
1030
1030
1030
1029
1029
1028
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1024
1023
1022
1022
1021

Ozone (du)

336
331
325
320
313
305
303
305
305
302
298
296
294
303
310
313
306
304
301
299
297
294
293
299

Sunday 23

Waxing Crescent 10%

11:00

18:35

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: 16:40, Transit: 12:10. Moon - Rise: 11:00, Set: 18:35. Civil Dark: 17:14 - 07:06. Nautical Dark: 17:52 - 06:30. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

51
86
100
100
100
96
99
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
10
50
85
87
88
86
82
66
57
83
92
87
76
100
100
100
100
100
99
100
100

Medium Clouds (% Sky Obscured)

30
59
100
100
100
93
98
47
44
40
78
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

19
75
100
4
4
1
41
77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
9
9
9
9
6
2
3
2
2
3
2
3
3
1
0
0

Fog (%)

8
12
14
0
2
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
Snow
Snow
Snow
Light Rain
Snow
Light Rain
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
3
14
7
4
11
0
0
3
16
63
82
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.8
1.1
1.4
1.6
2.5
2.4
2
1.8
1.6
1.8
2.1

Wind Speed/Direction (mph)

5
6
6
6
7
6
7
8
8
8
7
7
8
10
9
9
9
11
11
10
10
8
7
8

Chance of Frost

Temperature (°C)

-7
-7
-7
-4
-3
-2
-1
-1
0
-1
-1
-1
-1
-0
0
-0
0
-1
1
2
2
1
2
1

Feels Like (°C)

-9
-9
-10
-8
-6
-5
-6
-5
-3
-3
-4
-5
-4
-3
-3
-3
-2
-4
-2
-2
-2
-3
-3
-3

Dew Point (°C)

-12
-12
-15
-14
-15
-16
-15
-14
-10
-9
-8
-8
-4
-2
-1
-1
0
-1
1
1
1
1
2
1

Relative Humidity (%)

67
64
52
44
38
33
34
35
47
54
56
56
80
91
96
96
98
96
98
96
96
96
96
98

Pressure (mb)

1021
1021
1020
1019
1018
1017
1015
1014
1013
1013
1012
1011
1010
1010
1009
1008
1007
1007
1006
1006
1005
1004
1004
1003

Ozone (du)

297
296
294
296
296
297
295
294
287
286
285
288
286
283
281
278
277
275
277
280
279
281
282
282

Monday 24

Waxing Crescent 16%

11:41

19:40

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: 07:42, Set: 16:39, Transit: 12:11. Moon - Rise: 11:41, Set: 19:40. Civil Dark: 17:14 - 07:08. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:28 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
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
95
100
100
80
77
61
57
53
53
60
64
69
72
50

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
72
50
91
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
60
100
30
100
100
98
72
93
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
45
19
42
52
44
39
13
20
21
16

Precipitation Amount (mm)

2
1.8
2.2
2
1.6
2.2
2.4
1.8
1.9
1.5
0.9
1.3
1.3
0.9
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
8
8
7
7
7
7
6
5
6
9
9
9
7
5
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
98
98
98
98
98
98
98
98
96
98
96
98
98
100
98
98
98
96
98
96

Pressure (mb)

1003
1003
1003
1003
1003
1002
1001
1001
1001
1001
1001
1001
1002
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005

Ozone (du)

282
283
283
283
285
286
289
289
291
293
291
290
292
297
301
304
306
307
309
310
312
316
319
321

Tuesday 25

Waxing Crescent 24%

12:12

20:51

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: 07:43, Set: 16:39, Transit: 12:11. Moon - Rise: 12:12, Set: 20:51. Civil Dark: 17:13 - 07:09. Nautical Dark: 17:51 - 06:32. Astro Dark: 18:28 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
99
99
99
100
100
99
98
98

Low Clouds (% Sky Obscured)

76
73
93
91
87
84
82
79
77
81
84
88
86
82
80
85
90
95
87
89
100
97
95
92

Medium Clouds (% Sky Obscured)

100
100
100
98
89
95
97
98
100
100
100
100
100
100
100
97
94
90
94
97
100
98
95
92

High Clouds (% Sky Obscured)

82
67
55
57
58
60
73
87
100
100
100
100
86
72
58
56
45
26
26
29
19
20
17
25

ISS Passover

Visibility (miles)

9
9
9
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
9
3
1
0
0

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

Precipitation Probability (%)

22
21
36
42
46
71
95
93
89
87
85
78
79
69
48
61
62
50
41
33
34
41
50
55

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.9
0.6
0.4
0.4
0.4
0.3
0.4
0.2
0
0.2
0.3
0.2
0
0
0
0.1
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-2
-3
-3
-2
-2
-1
-0
-1
-1
-2
-2
-3
-3
-3
-3
-3
-3
-4
-5
-5
-6
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
98
98
100
98
100
98
98
100
98
98
98
94
94
96
98
98
98
98
96
96
98

Pressure (mb)

1005
1005
1006
1006
1006
1006
1006
1007
1008
1009
1009
1010
1011
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

321
322
318
321
323
322
323
318
316
313
313
313
313
314
315
316
320
324
325
322
322
320
321
324

Wednesday 26

Waxing Crescent 34%

12:37

22:04

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: 07:45, Set: 16:38, Transit: 12:11. Moon - Rise: 12:37, Set: 22:04. Civil Dark: 17:12 - 07:10. Nautical Dark: 17:51 - 06:33. Astro Dark: 18:27 - 05:56

Total Clouds (% Sky Obscured)

98
98
98
98
98
98
99
99
100
98
96
94
69
74
77
60
42
25
23
26
50
61
71
76

Low Clouds (% Sky Obscured)

93
94
95
96
96
97
97
98
95
96
92
88
69
74
77
60
42
25
13
12
10
15
25
35

Medium Clouds (% Sky Obscured)

91
91
91
87
45
37
31
32
26
62
73
7
4
4
5
3
2
0
1
2
3
10
16
28

High Clouds (% Sky Obscured)

35
40
40
17
8
13
30
22
41
48
8
4
0
1
0
0
0
0
1
2
2
3
4
5

ISS Passover

Visibility (miles)

0
0
2
0
3
5
3
3
9
9
9
8
0
0
0
0
0
0
0
0
0
0
1
1

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

Snow
Snow
Snow
Snow
Snow
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
63
71
63
50
43
52
53
50
53
51
48
36
34
36
35
25
24
25
21
17
16
14
12

Precipitation Amount (mm)

0.3
0.3
0.5
0.3
0.1
0
0
0
0.1
0.2
0.2
0.2
0.1
0.1
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-5
-5
-4
-3
-3
-3
-3
-3
-4
-4
-5
-7
-7
-8
-9
-8
-9
-9
-9
-9
-9
-10

Dew Point (°C)

-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-4
-4
-5
-5
-5
-6
-7
-7
-7
-7
-8

Relative Humidity (%)

98
98
96
92
92
89
86
84
86
94
94
98
98
98
98
98
96
96
94
94
96
96
96
96

Pressure (mb)

1017
1017
1018
1019
1019
1019
1019
1019
1020
1020
1021
1022
1023
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

324
323
321
322
323
324
324
325
327
327
327
329
332
333
335
336
335
335
335
332
330
328
325
321

Thursday 27

Waxing Crescent 44%

12:58

23:17

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: 07:46, Set: 16:37, Transit: 12:12. Moon - Rise: 12:58, Set: 23:17. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:50 - 06:34. Astro Dark: 18:27 - 05:58

Total Clouds (% Sky Obscured)

82
90
100
99
98
97
98
99
100
100
100
99
100
100
100
99
98
97
98
98
99
99
99
100

Low Clouds (% Sky Obscured)

40
45
45
47
54
52
60
75
88
90
93
95
90
84
78
71
64
57
65
77
87
87
90
92

Medium Clouds (% Sky Obscured)

42
58
81
83
81
74
57
58
55
47
50
55
78
91
100
98
95
92
93
93
94
95
96
98

High Clouds (% Sky Obscured)

16
42
61
41
21
1
22
44
63
73
77
80
63
46
28
22
19
10
13
19
26
49
72
92

ISS Passover

Visibility (miles)

2
4
7
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
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Very Light Rain

Precipitation Probability (%)

10
8
0
5
8
9
7
5
1
19
27
35
50
57
70
63
60
55
54
57
54
58
59
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.3
0.2
0.1
0.2
0.2
0.1
0.2
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-7
-6
-5
-5
-3
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-2
-2
-2
-1
-1
0
0

Feels Like (°C)

-9
-9
-8
-8
-6
-6
-6
-4
-4
-5
-4
-5
-4
-5
-5
-4
-4
-3
-3
-5
-4
-4
-4
-5

Dew Point (°C)

-7
-7
-6
-6
-5
-5
-5
-4
-5
-5
-4
-5
-5
-4
-4
-4
-4
-3
-4
-3
-2
-3
-1
-2

Relative Humidity (%)

96
94
90
90
87
84
81
81
81
82
84
84
86
89
91
92
92
92
91
91
91
89
89
89

Pressure (mb)

1026
1026
1027
1027
1026
1026
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

317
318
318
318
316
313
310
310
309
309
308
306
305
305
305
305
303
302
300
298
295
293
291
289

Friday 28

First Quarter 55%

13:15

00:32

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: 07:47, Set: 16:37, Transit: 12:12. Moon - Rise: 13:15, Set: 00:32. Civil Dark: 17:11 - 07:13. Nautical Dark: 17:50 - 06:35. Astro Dark: 18:26 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
91
88
91
94
96
95
95
94
96
98
100

Low Clouds (% Sky Obscured)

95
98
100
99
99
98
95
91
88
91
94
96
95
93
91
90
89
88

Medium Clouds (% Sky Obscured)

86
82
78
76
73
65
55
45
37
30
27
26
28
21
5
17
28
40

High Clouds (% Sky Obscured)

89
82
69
56
64
73
51
28
9
11
13
15
15
16
16
35
55
73

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

49
43
38
47
51
51
62
61
53
43
34
16
15
9
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-3
-3
-2
-2
-2
-2
1
1
0
0
0
-1
1
1
1
0
-1

Dew Point (°C)

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

Relative Humidity (%)

87
91
91
91
93
94
94
94
94
96
98
98
98
98
98
100
100
100

Pressure (mb)

1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

287
286
285
284
284
284
284
283
282
281
281
281
281
281
280
280
279
279

Forecast for Gfell, Bezirk Pfäffikon, Switzerland (47.38,8.93)

Generated: 22/11/25 07:20:48. Forecast: 22/11/25 to 28/11/25. Timezone: UTC+1.00