Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 6

Waning Gibbous 93%

19:07

10:53

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:58, Set: 16:33, Transit: 12:16. Moon - Rise: 19:07, Set: 10:53. Civil Dark: 17:09 - 07:22. Nautical Dark: 17:48 - 06:44. Astro Dark: 18:25 - 06:06

Total Clouds (% Sky Obscured)

83
87
93
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)

38
79
60
68
52
91
86
52
64
86
90
87
77
71
85
64
85
90
91
81
99
100
97
95

Medium Clouds (% Sky Obscured)

22
33
74
100
91
100
100
100
98
99
79
100
100
100
100
100
100
97
100
100
100
100
100
100

High Clouds (% Sky Obscured)

83
47
49
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
3
4
4
3

Fog (%)

0
0
0
0
0
10
1
2
2
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
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
10
15
34
36
55
53
55
40
39
28
22
23
22
23
27
39
57
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.5
1.4
1.1
1.9
1.5

Wind Speed/Direction (mph)

6
12
11
10
10
10
13
14
11
9
11
10
10
9
7
6
5
4
5
8
9
10
11
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
91
93
91
91
90
90
88
85
86
88
90
86
85
82
81
79
85
90
94
96
96
96
96

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

287
288
285
280
280
282
284
283
282
282
280
279
280
280
280
281
280
279
278
275
275
275
278
279

Sunday 7

Waning Gibbous 86%

No Rise

11:29

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:59, Set: 16:33, Transit: 12:16. Moon - Rise: No Rise, Set: 11:29. Civil Dark: 17:09 - 07:23. Nautical Dark: 17:48 - 06:44. Astro Dark: 18:25 - 06:07

Total Clouds (% Sky Obscured)

100
100
97
100
100
97
97
99
100
100
100
98
100
100
100
100
100
100
94
94
97
60
100
100

Low Clouds (% Sky Obscured)

99
91
87
77
81
95
96
99
99
100
94
92
93
93
97
94
67
42
34
28
35
42
38
38

Medium Clouds (% Sky Obscured)

100
100
96
95
100
91
94
94
100
99
90
96
86
89
51
61
42
59
24
18
40
30
32
18

High Clouds (% Sky Obscured)

100
100
81
99
100
74
61
57
35
50
45
45
100
84
100
100
100
100
87
82
42
14
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
94
56
61
53
34
65
88
95
67
70
65
39
21
8
3
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

1.1
0.5
0
0.2
0
0
0.3
0.6
0.9
0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
15
14
13
13
13
13
11
10
10
9
9
8
7
7
7
6
6
6
7
6
6
6

Chance of Frost

Temperature (°C)

8
8
8
9
10
9
10
9
8
9
9
9
10
10
10
10
11
13
12
12
11
10
10
9

Feels Like (°C)

6
5
5
6
7
6
6
6
5
5
7
7
8
8
9
9
10
12
11
10
10
9
9
7

Dew Point (°C)

7
7
7
7
8
7
7
7
7
7
8
8
9
9
9
8
9
11
10
10
10
9
8
8

Relative Humidity (%)

95
91
90
90
90
85
84
87
88
90
91
93
95
93
91
88
87
87
86
87
88
90
90
90

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1021
1021
1021
1022
1022
1021
1020
1020
1021
1021
1022
1022
1023

Ozone (du)

281
283
284
285
283
284
286
289
289
286
288
287
289
294
296
298
298
297
297
298
297
298
298
301

Monday 8

Waning Gibbous 77%

20:30

11:55

20 Bad
21 Bad
22 Bad
23 OK
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 OK

Sun - Rise: 08:00, Set: 16:33, Transit: 12:16. Moon - Rise: 20:30, Set: 11:55. Civil Dark: 17:09 - 07:24. Nautical Dark: 17:48 - 06:45. Astro Dark: 18:25 - 06:08

Total Clouds (% Sky Obscured)

87
100
79
23
93
91
99
83
72
100
49
54
68
75
91
80
58
62
58
52
60
62
61
37

Low Clouds (% Sky Obscured)

10
7
9
14
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
11
17
11

Medium Clouds (% Sky Obscured)

3
48
23
3
3
2
0
0
0
0
0
2
2
3
3
3
3
2
2
0
0
0
0
0

High Clouds (% Sky Obscured)

84
100
50
7
90
90
99
83
72
100
40
42
59
66
87
75
54
55
47
39
36
42
40
25

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
88
90
90
88
89
89
89
90
88
90
88
84
81
77
76
78
84
87
88
87
86

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1020
1020
1020
1019
1019
1020
1020
1020

Ozone (du)

306
310
316
316
311
311
310
309
307
307
303
307
310
308
305
301
297
294
291
290
290
290
289
287

Tuesday 9

Waning Gibbous 67%

21:50

12:15

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

Sun - Rise: 08:01, Set: 16:33, Transit: 12:17. Moon - Rise: 21:50, Set: 12:15. Civil Dark: 17:09 - 07:25. Nautical Dark: 17:48 - 06:46. Astro Dark: 18:25 - 06:09

Total Clouds (% Sky Obscured)

42
47
37
27
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
37
50
37

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

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
1

High Clouds (% Sky Obscured)

38
47
37
27
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
37
50
37

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)

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

Chance of Frost

Temperature (°C)

5
4
4
5
5
5
4
3
2
2
2
3
4
4
5
7
8
9
9
9
8
6
6
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
83
80
79
78
79
79
77
79
79
79
79
76
72
67
65
64
68
73
74
74
76
77

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1024
1025
1025

Ozone (du)

287
287
286
285
286
287
288
288
289
288
288
287
287
288
288
289
288
287
287
286
287
286
286
286

Wednesday 10

Waning Gibbous 57%

23:05

12:31

20 OK
21 Good
22 Good
23 OK
00 Good
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 OK
17 OK
18 OK
19 OK

Sun - Rise: 08:02, Set: 16:33, Transit: 12:17. Moon - Rise: 23:05, Set: 12:31. Civil Dark: 17:09 - 07:26. Nautical Dark: 17:48 - 06:47. Astro Dark: 18:25 - 06:10

Total Clouds (% Sky Obscured)

24
15
15
23
16
72
75
61
83
91
100
95
97
99
96
93
90
84
75
59
42
27
13
18

Low Clouds (% Sky Obscured)

9
13
14
14
13
19
21
28
60
61
57
84
91
99
91
86
82
82
75
59
42
19
0
4

Medium Clouds (% Sky Obscured)

1
2
2
3
3
6
9
11
9
10
8
36
44
48
33
19
4
3
1
0
0
0
0
0

High Clouds (% Sky Obscured)

20
2
2
7
2
39
39
27
46
38
53
2
2
3
28
52
76
51
36
30
24
19
13
17

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
2
3
1
4
6
6
4
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
3
3
3
3
1
1
1
1
1
1
2
2
3
3
3
4
8
7
7
7
5
5

Dew Point (°C)

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

Relative Humidity (%)

79
82
82
83
83
83
83
83
85
83
80
80
80
82
83
79
76
74
78
82
87
90
91
94

Pressure (mb)

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

Ozone (du)

287
287
287
288
289
288
287
287
285
286
288
286
286
286
286
285
285
285
285
285
285
286
286
287

Thursday 11

Third Quarter 47%

00:16

12:46

20 OK
21 OK
22 OK
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

Sun - Rise: 08:02, Set: 16:33, Transit: 12:18. Moon - Rise: 00:16, Set: 12:46. Civil Dark: 17:09 - 07:27. Nautical Dark: 17:48 - 06:48. Astro Dark: 18:25 - 06:11

Total Clouds (% Sky Obscured)

23
26
37
50
62
70
78
85
72
60
53
57
66
66
74
73
76
81
89
98
84
70
57
56

Low Clouds (% Sky Obscured)

7
11
18
24
33
42
44
45
46
43
50
50
50
50
50
50
50
45
45
39
30
30
30
35

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

13
15
18
22
25
23
25
30
16
7
1
1
1
1
3
7
12
25
51
80
63
37
9
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
94
94
93
93
93
91
89
88
82
77
72
70
66
65
68
73
79
80
80
83

Pressure (mb)

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

Ozone (du)

289
290
292
292
292
292
292
292
292
294
295
297
297
297
297
297
297
298
297
296
295
294
293
292

Friday 12

Waning Crescent 37%

01:24

13:00

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

Sun - Rise: 08:03, Set: 16:33, Transit: 12:18. Moon - Rise: 01:24, Set: 13:00. Civil Dark: 17:09 - 07:28. Nautical Dark: 17:48 - 06:49. Astro Dark: 18:25 - 06:11

Total Clouds (% Sky Obscured)

55
54
59
63
68
72
71
66
58
52
46
54
59
64
63
61
61

Low Clouds (% Sky Obscured)

40
45
45
45
50
49
49
43
41
38
32
39
38
40
40
40
40

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

5
4
2
2
2
2
3
4
5
5
6
18
30
42
40
35
34

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
82
83
82
80
80
80
80
78
76
73
70
67
65

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023

Ozone (du)

293
293
293
293
293
293
294
294
294
295
296
297
297
297
298
297
297

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

Generated: 06/12/25 20:24:29. Forecast: 06/12/25 to 12/12/25. Timezone: UTC+1.00