Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 55%

00:18

11:20

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:09, Set: 16:53, Transit: 12:32. Moon - Rise: 00:18, Set: 11:20. Civil Dark: 17:28 - 07:34. Nautical Dark: 18:06 - 06:56. Astro Dark: 18:43 - 06:19

Total Clouds (% Sky Obscured)

69
60
55
47
93
100
100
98
100
100
100
100
99
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
40
33
43
78
60
88
67
79
67
94
87
98
98
80
79
81
92
86
87
93
94
95
98

Medium Clouds (% Sky Obscured)

50
30
19
24
88
100
100
95
100
100
97
98
97
100
95
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
54
55
55
74
100
100
85
49
41
86
67
92
100
100
100
93
91
97
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

34
29
31
42
40
49
48
42
40
58
66
74
89
70
78
77
67
81
85
95
64
68
75
80

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.1
0
0
0.2
0.3
0.4
0.7
0.2
0.4
0.4
0.2
0.6
0.6
0.7
0.1
0.2
0.3
0.3

Wind Speed/Direction (mph)

15
15
16
15
15
14
14
14
15
14
15
16
16
17
17
18
18
19
18
18
19
18
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
80
80
80
80
81
84
89
84
96
94
98
89
94
96
92
92
94
92
83
87
89
91

Pressure (mb)

999
1000
1000
1000
1001
1001
1002
1002
1003
1003
1003
1004
1004
1004
1004
1005
1005
1006
1007
1007
1008
1008
1009
1010

Ozone (du)

360
365
365
374
378
378
376
378
377
372
376
381
386
383
383
393
396
404
413
406
397
396
392
387

Saturday 10

Third Quarter 45%

01:26

11:37

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:54, Transit: 12:32. Moon - Rise: 01:26, Set: 11:37. Civil Dark: 17:29 - 07:34. Nautical Dark: 18:07 - 06:55. Astro Dark: 18:44 - 06:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
99
98
96
96
96
97
98
95
92
77
83
85
93
77
51

Low Clouds (% Sky Obscured)

98
99
99
100
100
97
96
96
96
95
95
95
94
94
95
96
92
86
76
83
85
92
76
51

Medium Clouds (% Sky Obscured)

100
100
100
100
100
97
99
100
99
96
92
89
89
87
84
80
44
34
0
0
0
0
0
0

High Clouds (% Sky Obscured)

66
65
12
4
0
0
0
0
0
0
0
2
3
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
8
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
4
9
48
66
48
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

91
95
95
95
95
89
80
80
85
84
75
72
68
68
64
59
43
36
25
17
9
6
0
0

Precipitation Amount (mm)

0.5
0.7
0.7
1.1
1
0.5
0.4
0.4
0.6
0.5
0.4
0.4
0.3
0.4
0.4
0.3
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
15
15
12
10
9
8
7
7
6
5
4
4
4
3
2
2
2
1
1
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
96
94
96
94
94
94
96
98
96
96
96
96
98
96
96
96
94
87
84
84
82
84

Pressure (mb)

1010
1011
1012
1014
1015
1017
1018
1019
1020
1021
1022
1023
1023
1024
1024
1025
1026
1027
1027
1028
1027
1027
1026
1027

Ozone (du)

388
390
388
386
381
380
374
376
374
373
373
373
372
369
367
366
364
362
359
355
346
341
339
338

Sunday 11

Waning Crescent 35%

02:35

11:56

16 OK
17 OK
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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:55, Transit: 12:32. Moon - Rise: 02:35, Set: 11:56. Civil Dark: 17:30 - 07:33. Nautical Dark: 18:09 - 06:55. Astro Dark: 18:45 - 06:18

Total Clouds (% Sky Obscured)

35
24
33
66
60
47
63
100
53
99
99
100
100
100
100
100
100
100
100
94
100
99
98
96

Low Clouds (% Sky Obscured)

35
22
29
33
21
6
6
6
2
2
3
28
45
49
70
91
80
100
100
74
62
60
65
66

Medium Clouds (% Sky Obscured)

0
0
2
0
0
0
18
64
41
80
73
100
100
100
100
100
99
95
97
88
78
62
37
88

High Clouds (% Sky Obscured)

0
2
5
45
42
28
44
100
8
96
94
100
100
100
100
100
100
28
2
2
68
59
61
66

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
65
45
18
6
0
0
0
2
6
9
13
16
16
5
5
5
5
5
5
5
5
5

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
1
2
10
36
32
31
20
10
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)

2
3
3
4
4
4
4
4
5
4
5
4
5
5
5
6
6
5
6
5
5
6
7
7

Chance of Frost

Temperature (°C)

-3
-6
-6
-7
-8
-9
-9
-8
-9
-8
-7
-5
-6
-4
-4
-3
-3
-2
-1
-1
0
1
2
2

Feels Like (°C)

-5
-7
-8
-9
-12
-12
-12
-12
-12
-10
-10
-9
-8
-7
-6
-5
-6
-5
-4
-3
-2
-1
-1
-1

Dew Point (°C)

-4
-6
-7
-8
-9
-9
-10
-9
-10
-9
-8
-7
-7
-6
-5
-4
-5
-4
-4
-3
-2
0
1
1

Relative Humidity (%)

92
94
94
94
92
94
92
92
92
90
90
89
87
87
91
89
87
87
80
81
87
93
96
96

Pressure (mb)

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

Ozone (du)

339
335
332
331
332
335
335
336
335
333
329
325
322
322
322
323
321
322
321
319
320
318
318
319

Monday 12

Waning Crescent 26%

03:43

12:19

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:07, Set: 16:57, Transit: 12:33. Moon - Rise: 03:43, Set: 12:19. Civil Dark: 17:31 - 07:33. Nautical Dark: 18:10 - 06:54. Astro Dark: 18:47 - 06:18

Total Clouds (% Sky Obscured)

94
99
100
100
100
100
100
100
100
96
66
92
93
91
96
97
98
100
99
98
97
93
89
86

Low Clouds (% Sky Obscured)

71
83
85
52
48
51
35
22
29
14
2
2
9
17
24
19
22
21
14
8
4
7
22
39

Medium Clouds (% Sky Obscured)

46
85
100
83
95
67
53
38
51
61
42
91
88
46
45
56
51
53
81
69
43
72
66
60

High Clouds (% Sky Obscured)

44
62
66
81
92
100
100
100
100
72
30
57
59
65
77
82
91
100
98
93
92
81
70
56

ISS Passover

Visibility (miles)

6
9
9
8
8
8
8
8
1
8
8
8
9
9
9
9
9
8
9
9
9
2
0
0

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

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 (%)

13
19
24
22
18
12
9
7
1
2
2
0
0
0
0
1
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
6
7
6
6
6
7
7
7
7
7
7
7
7
7
6
5
4
4
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
94
98
98
96
98
96
94
94
94
96
94
94
96
96
93
98
98
100
100
100

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1020
1019
1020
1020
1020
1019
1019
1018
1018
1017

Ozone (du)

319
318
316
315
314
312
311
311
313
314
315
314
313
313
313
313
312
313
313
316
317
317
318
319

Tuesday 13

Waning Crescent 18%

04:51

12:50

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:07, Set: 16:58, Transit: 12:33. Moon - Rise: 04:51, Set: 12:50. Civil Dark: 17:33 - 07:32. Nautical Dark: 18:11 - 06:54. Astro Dark: 18:48 - 06:17

Total Clouds (% Sky Obscured)

86
88
90
93
97
100
93
85
81
87
93
96
100
100
100
98
97
96
98
99
100
100
100
99

Low Clouds (% Sky Obscured)

40
39
39
35
31
31
32
25
1
0
0
2
2
5
2
9
17
26
42
60
80
90
90
90

Medium Clouds (% Sky Obscured)

41
39
59
80
83
86
77
70
69
77
81
22
90
88
92
83
73
63
66
70
76
75
74
76

High Clouds (% Sky Obscured)

55
53
55
74
88
100
88
77
65
77
60
96
100
100
100
72
58
49
44
43
38
61
81
87

ISS Passover

Visibility (miles)

0
0
0
1
9
9
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
6
3

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
16
30
47
62
75
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
98
98
98
96
96
96
96
96
96
96
96
96
94
92
89
91
91
93
94
98

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

321
323
324
325
327
331
335
337
339
340
341
341
340
341
341
340
341
341
342
342
342
342
343
344

Wednesday 14

Waning Crescent 11%

05:55

13:29

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:06, Set: 16:59, Transit: 12:33. Moon - Rise: 05:55, Set: 13:29. Civil Dark: 17:34 - 07:32. Nautical Dark: 18:12 - 06:54. Astro Dark: 18:49 - 06:17

Total Clouds (% Sky Obscured)

98
98
97
96
96
94
93
92
91
91
91
91
91
90
87
90
94
100
98
96
94
92
90
88

Low Clouds (% Sky Obscured)

84
77
77
79
82
86
83
81
78
74
67
60
55
47
44
56
68
80
57
34
11
32
53
76

Medium Clouds (% Sky Obscured)

80
83
85
78
69
55
47
41
39
49
45
45
60
65
70
66
79
99
96
92
88
80
70
64

High Clouds (% Sky Obscured)

80
76
80
65
40
40
31
22
13
19
27
40
31
27
29
52
76
100
93
88
83
80
83
87

ISS Passover

Visibility (miles)

0
0
0
0
3
6
9
9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
6
3

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

93
85
81
66
53
28
32
29
7
10
9
2
4
3
0
1
1
0
0
0
0
1
1
0

Precipitation Amount (mm)

0.8
0.6
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
100
98
98
98
96
96
96
96
94
94
94
94
94
94
93
93
93
96
96
96

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018

Ozone (du)

346
346
346
345
345
344
344
344
344
345
346
347
349
350
352
354
354
354
353
354
354
354
352
351

Thursday 15

Waning Crescent 6%

06:52

14:20

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:05, Set: 17:01, Transit: 12:34. Moon - Rise: 06:52, Set: 14:20. Civil Dark: 17:35 - 07:31. Nautical Dark: 18:13 - 06:53. Astro Dark: 18:50 - 06:16

Total Clouds (% Sky Obscured)

93
97
100
88
75
63
60
59
59
73
86
98
98
97
97
91
84
78
83
89
96

Low Clouds (% Sky Obscured)

78
75
72
64
54
42
33
23
14
28
41
50
53
56
56
51
39
25
29
34
38

Medium Clouds (% Sky Obscured)

54
51
45
46
54
53
37
22
7
9
11
12
9
7
5
4
3
2
1
1
0

High Clouds (% Sky Obscured)

73
57
39
28
18
9
19
30
42
47
54
71
75
73
76
73
70
67
72
77
81

ISS Passover

Visibility (miles)

0
3
5
8
8
9
9
9
8
8
8
9
9
9
9
9
8
6
4
6
8

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

1
1
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
94
94
92
92
94
94
94
96
96
98
96
96
98
96
94
94
91
89

Pressure (mb)

1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1014
1013

Ozone (du)

350
349
348
347
348
348
349
349
350
350
351
352
353
354
356
358
357
357
357
352
348

Forecast for Lettenboden, Bezirk Pfäffikon, Switzerland (47.38,8.92)

Generated: 09/01/26 16:05:25. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+1.00