Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 11%

08:24

21:47

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: 07:21, Set: 17:57, Transit: 12:39. Moon - Rise: 08:24, Set: 21:47. Civil Dark: 18:28 - 06:48. Nautical Dark: 19:04 - 06:13. Astro Dark: 19:39 - 05:37

Total Clouds (% Sky Obscured)

83
87
89
91
74
96
99
100
100
100
100
98
97
98
98
100
97
89
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
87
89
91
68
93
91
93
88
87
90
92
94
88
68
83
88
67
88
77
100
95
99
99

Medium Clouds (% Sky Obscured)

36
27
20
27
49
34
44
59
57
46
96
90
85
85
94
100
92
80
31
100
100
100
100
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
7
99
77
90
65
70
75
79
75
73
34
100
99
100
34
93
100

ISS Passover

Visibility (miles)

4
4
4
5
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

19
20
23
46
45
38
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
Very Light Rain

Precipitation Probability (%)

17
2
0
30
31
36
28
30
22
21
26
24
11
19
9
11
14
11
20
28
43
49
54
61

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
0.2

Wind Speed/Direction (mph)

4
4
3
4
2
5
4
5
5
6
7
5
4
5
4
4
4
7
6
7
9
10
10
11

Chance of Frost

Temperature (°C)

4
4
4
5
5
6
6
6
7
6
6
5
5
5
4
4
4
4
4
4
4
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
94
94
85
93
93
85
88
88
90
93
91
93
94
91
89
89
85
82
80
82
82

Pressure (mb)

1018
1020
1021
1023
1023
1024
1024
1024
1024
1024
1025
1025
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

343
334
330
324
319
318
310
316
321
325
323
324
328
329
328
337
341
346
340
341
346
342
338
338

Saturday 21

Waxing Crescent 19%

08:42

23:07

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:19, Set: 17:58, Transit: 12:39. Moon - Rise: 08:42, Set: 23:07. Civil Dark: 18:30 - 06:47. Nautical Dark: 19:05 - 06:11. Astro Dark: 19:41 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
99
100
100
100
97
96
91
91
82
77
65
84
90
87
99

Low Clouds (% Sky Obscured)

97
94
86
85
99
32
28
39
30
35
32
28
30
26
21
26
23
15
3
3
10
15
58
15

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
93
88
94
90
72
86
82
57
27
13
17
33
48
36
24
61

High Clouds (% Sky Obscured)

100
100
100
100
100
82
75
70
67
87
99
92
100
65
59
64
65
70
70
50
63
69
59
98

ISS Passover

Visibility (miles)

9
6
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

62
52
32
49
62
44
38
48
48
46
48
53
34
13
6
2
0
0
0
0
0
0
3
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
11
11
11
11
11
10
9
8
6
4
4
4
4
4
4
4
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
85
83
85
81
78
77
75
74
78
85
87
88
90
90
91
91
91
91
89
89
86
82

Pressure (mb)

1027
1027
1028
1028
1029
1029
1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029

Ozone (du)

337
333
334
333
329
328
329
331
329
328
322
319
316
315
306
300
299
296
296
294
295
297
300
303

Sunday 22

Waxing Crescent 29%

09:03

00:30

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: 07:18, Set: 18:00, Transit: 12:39. Moon - Rise: 09:03, Set: 00:30. Civil Dark: 18:31 - 06:45. Nautical Dark: 19:07 - 06:09. Astro Dark: 19:42 - 05:34

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

67
67
74
75
89
99
100
100
100
100
100
98
98
64
77
85
77
73
77
78
76
75
74
73

Medium Clouds (% Sky Obscured)

85
79
80
92
83
89
96
95
96
97
98
88
86
85
99
90
100
97
94
91
86
88
90
91

High Clouds (% Sky Obscured)

94
47
83
69
55
58
53
49
59
62
74
51
68
79
100
100
100
100
96
91
87
84
80
76

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
5
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
None
Very Light Rain
Light Rain
None

Precipitation Probability (%)

6
10
15
33
31
20
14
11
24
10
5
17
2
2
5
5
2
2
10
41
40
56
67
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
3
4
6
7
8
9
9
9
8
8
8
7
7
7
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
80
77
72
70
74
74
78
82
84
85
88
90
90
94
93
94
94
93
90
90
88
90
91

Pressure (mb)

1029
1029
1029
1028
1028
1028
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

304
303
302
304
306
309
311
313
318
320
323
327
330
334
336
341
343
345
343
339
340
343
347
349

Monday 23

Waxing Crescent 41%

09:29

01:53

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

Sun - Rise: 07:16, Set: 18:02, Transit: 12:39. Moon - Rise: 09:29, Set: 01:53. Civil Dark: 18:33 - 06:43. Nautical Dark: 19:08 - 06:07. Astro Dark: 19:44 - 05:32

Total Clouds (% Sky Obscured)

97
96
95
95
96
96
95
94
94
94
95
95
94
92
90
80
70
59
72
83
97
87
86
46

Low Clouds (% Sky Obscured)

79
85
88
91
93
94
90
88
76
82
77
77
70
67
61
60
57
31
48
4
5
10
15
22

Medium Clouds (% Sky Obscured)

91
91
90
89
88
87
80
75
71
64
57
37
40
3
45
40
45
29
3
2
2
10
18
25

High Clouds (% Sky Obscured)

73
67
42
55
50
50
58
67
75
79
52
77
66
45
87
43
29
47
63
81
95
73
58
15

ISS Passover

Visibility (miles)

9
9
9
9
4
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
25
36
75
79
53
29
37
23
45
41
16
16
9
2
5
4
0
3
2
0
2
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
87
85
91
95
95
95
88
87
91
95
95
93
94
94
96
96
96
96
94
94
96
94

Pressure (mb)

1023
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

350
349
354
356
358
357
354
353
352
354
355
355
350
350
348
351
352
350
347
346
346
345
346
347

Tuesday 24

First Quarter 53%

10:04

03:12

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

Sun - Rise: 07:14, Set: 18:03, Transit: 12:38. Moon - Rise: 10:04, Set: 03:12. Civil Dark: 18:34 - 06:41. Nautical Dark: 19:10 - 06:06. Astro Dark: 19:45 - 05:30

Total Clouds (% Sky Obscured)

40
29
19
17
9
6
17
24
23
3
0
0
1
2
2
14
25
33
36
35
33
35
42
49

Low Clouds (% Sky Obscured)

20
18
16
12
5
0
0
0
0
0
0
0
0
0
0
9
22
33
36
35
33
35
42
45

Medium Clouds (% Sky Obscured)

18
10
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)

11
6
2
2
2
5
15
19
19
2
0
0
1
2
2
4
4
3
14
22
20
19
16
12

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

Chance of Frost

Temperature (°C)

3
4
6
8
10
11
13
14
14
14
13
11
9
8
7
6
6
5
4
4
4
4
3
3

Feels Like (°C)

3
5
7
9
11
12
14
15
14
15
14
12
11
10
9
8
8
7
7
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

94
94
88
81
74
68
65
62
61
63
74
83
85
87
90
91
93
91
93
93
94
93
93
93

Pressure (mb)

1025
1025
1025
1025
1024
1023
1022
1022
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

347
347
348
348
346
346
344
344
344
345
344
343
343
344
345
346
347
349
350
352
353
354
355
357

Wednesday 25

Waxing Gibbous 64%

10:51

04:20

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

Sun - Rise: 07:12, Set: 18:05, Transit: 12:38. Moon - Rise: 10:51, Set: 04:20. Civil Dark: 18:35 - 06:39. Nautical Dark: 19:11 - 06:04. Astro Dark: 19:47 - 05:28

Total Clouds (% Sky Obscured)

61
72
82
70
59
49
45
49
54
51
44
40
37
32
29
44
58
74
75
81
82
75
67
60

Low Clouds (% Sky Obscured)

39
33
27
18
9
0
0
0
0
0
0
0
0
0
0
6
13
17
10
4
0
1
2
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
4
7
6
5
2
1
1
0
0
0
0
0
0
1
22
40
60

High Clouds (% Sky Obscured)

17
24
40
37
35
32
36
36
39
32
28
26
19
15
12
21
28
40
54
73
82
75
61
51

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
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
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)

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

Chance of Frost

Temperature (°C)

3
5
6
8
9
11
13
14
14
14
13
11
9
9
8
7
7
6
6
6
5
5
5
5

Feels Like (°C)

5
4
4
5
5
6
6
13
13
14
13
13
14
9
8
8
7
8
7
5
4
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

93
86
81
77
69
65
60
59
58
58
63
69
77
80
82
87
87
88
90
90
91
91
91
91

Pressure (mb)

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

Ozone (du)

358
358
358
359
358
358
357
358
358
359
360
361
362
362
363
363
363
364
364
363
362
361
361
361

Thursday 26

Waxing Gibbous 75%

11:54

05:12

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: 07:10, Set: 18:06, Transit: 12:38. Moon - Rise: 11:54, Set: 05:12. Civil Dark: 18:37 - 06:38. Nautical Dark: 19:12 - 06:02. Astro Dark: 19:48 - 05:26

Total Clouds (% Sky Obscured)

58
55
51
53
54
63
71
79
84
82
81
83
89
94
100
100
100
100

Low Clouds (% Sky Obscured)

3
2
0
2
4
6
9
13
17
11
7
3
10
18
26
36
43
51

Medium Clouds (% Sky Obscured)

40
28
24
26
28
46
49
58
60
70
77
79
80
82
89
93
96
100

High Clouds (% Sky Obscured)

43
31
12
9
6
4
29
47
66
48
32
16
44
74
100
96
93
89

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
2
5
7
26
28
24
30
11
0
9
15
22
29
41
47

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)

2
2
3
3
5
7
9
8
8
8
7
6
5
5
5
5
6
8

Chance of Frost

Temperature (°C)

4
6
8
10
11
13
14
14
13
13
12
11
10
10
10
10
10
10

Feels Like (°C)

4
5
5
7
7
7
8
14
13
11
12
12
12
7
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

89
83
77
69
63
56
49
51
54
56
61
64
67
72
74
78
76
76

Pressure (mb)

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

Ozone (du)

361
361
362
363
361
360
358
362
367
372
374
375
377
377
376
375
373
370

Forecast for Rümlang, Dielsdorf, Switzerland (47.45,8.53)

Generated: 20/02/26 07:56:54. Forecast: 20/02/26 to 26/02/26. Timezone: UTC+1.00