Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

04:18

18:27

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

Sun - Rise: 07:11, Set: 19:34, Transit: 13:23. Moon - Rise: 04:18, Set: 18:27. Civil Dark: 20:05 - 06:42. Nautical Dark: 20:41 - 06:06. Astro Dark: 21:18 - 05:29

Total Clouds (% Sky Obscured)

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

Low 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
0

Medium Clouds (% Sky Obscured)

1
0
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)

0
0
0
0
0
0
0
0
0
0
0
0
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
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
38
38
95

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

Chance of Frost

Temperature (°C)

10
11
13
17
19
21
23
25
26
26
25
24
21
19
16
15
14
13
12
12
12
11
11
11

Feels Like (°C)

11
12
15
18
20
23
25
27
28
29
28
27
23
22
19
18
17
16
15
14
14
14
14
14

Dew Point (°C)

8
8
9
10
10
11
12
13
14
14
15
18
18
17
15
14
13
12
11
11
11
11
11
10

Relative Humidity (%)

87
83
72
64
56
52
50
48
48
49
53
69
80
88
89
89
90
92
92
95
95
95
96
96

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1025
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

265
265
265
264
264
264
264
264
264
263
263
263
261
260
260
258
257
256
256
256
257
256
255
255

Friday 19

Waning Crescent 6%

05:31

18:45

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

Sun - Rise: 07:13, Set: 19:32, Transit: 13:22. Moon - Rise: 05:31, Set: 18:45. Civil Dark: 20:03 - 06:43. Nautical Dark: 20:39 - 06:07. Astro Dark: 21:16 - 05:30

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
1
1
8
60
70
65
65
67
65
51
65
36
28
33
68

Low 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
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
17
14
50
52
52
45
37
40
18
16
23
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
3
50
60
60
60
57
60
31
60
3
0
0
66

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 (%)

96
97
97
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
1
6
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
0
1
1
1
1
2
3
3
3
2
2
2
2
2
3
3
3
3
3
2
2
3

Chance of Frost

Temperature (°C)

10
11
13
16
19
21
23
25
26
26
26
25
22
20
18
16
15
15
15
15
15
15
15
14

Feels Like (°C)

13
13
16
19
22
24
27
28
28
29
28
29
26
23
21
18
17
17
17
18
17
17
16
16

Dew Point (°C)

10
10
11
13
13
14
14
14
14
15
15
18
18
17
16
14
14
14
14
15
14
14
14
13

Relative Humidity (%)

95
95
90
79
69
62
56
52
49
49
53
68
76
85
89
89
92
93
93
95
95
93
93
93

Pressure (mb)

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

Ozone (du)

254
253
253
253
253
253
253
252
252
252
253
253
253
253
252
251
250
250
250
250
249
249
249
251

Saturday 20

Waning Crescent 2%

06:42

19:01

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

Sun - Rise: 07:14, Set: 19:30, Transit: 13:22. Moon - Rise: 06:42, Set: 19:01. Civil Dark: 20:01 - 06:45. Nautical Dark: 20:37 - 06:09. Astro Dark: 21:14 - 05:32

Total Clouds (% Sky Obscured)

56
58
35
38
67
62
51
63
51
36
43
39
63
82
77
77
73
73
60
67
61
57
51
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
17
24
31
33
33

Medium Clouds (% Sky Obscured)

22
26
28
26
22
20
23
17
12
12
17
24
26
30
29
27
29
28
27
27
27
23
20
16

High Clouds (% Sky Obscured)

39
37
7
10
52
53
47
63
51
18
10
4
63
76
76
72
73
73
60
64
59
49
35
21

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
10
18
14
5
0
1
0
2
11
31
37
35
38
21
0
0
0
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
17
20
22
24
25
26
27
27
27
26
23
21
20
20
19
18
18
18
18
17
17
16

Feels Like (°C)

16
16
19
22
24
25
27
28
29
29
29
28
26
24
23
23
22
21
20
21
21
20
20
18

Dew Point (°C)

13
13
14
14
14
14
14
14
14
15
17
19
19
18
18
18
18
17
17
17
17
16
16
15

Relative Humidity (%)

93
90
82
68
60
53
50
47
46
47
55
68
77
84
88
91
91
90
92
93
93
93
93
95

Pressure (mb)

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

Ozone (du)

251
250
250
250
250
251
250
250
249
248
249
249
248
248
249
250
249
250
249
250
250
250
251
251

Sunday 21

New Moon 0%

No Rise

19:16

07 OK
08 OK
09 Good
10 Good
11 OK
12 OK
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: 07:15, Set: 19:28, Transit: 13:22. Moon - Rise: No Rise, Set: 19:16. Civil Dark: 19:59 - 06:46. Nautical Dark: 20:35 - 06:10. Astro Dark: 21:12 - 05:33

Total Clouds (% Sky Obscured)

37
28
17
9
27
44
83
100
69
78
78
86
100
100
100
98
85
100
98
69
98
100
100
100

Low Clouds (% Sky Obscured)

33
22
10
0
5
10
15
18
28
37
42
56
51
72
52
56
50
44
35
43
43
44
56
85

Medium Clouds (% Sky Obscured)

12
8
4
0
8
14
21
29
36
39
42
44
49
90
97
50
47
50
93
54
98
98
91
100

High Clouds (% Sky Obscured)

7
7
6
9
27
44
81
100
58
59
62
72
100
100
100
98
85
100
95
69
98
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
3
4
5
9
9
9
9
9
9
9
4
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
Very 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

Precipitation Probability (%)

0
0
0
0
1
2
1
22
39
43
71
83
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
1
1.1
1
1.4
1.5
2
2.4
2.4
2.2
2
2.4
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
17
20
22
23
24
25
25
24
23
21
19
17
17
17
16
16
15
16
15
15
15
15

Feels Like (°C)

17
16
19
22
24
26
28
27
26
27
24
22
19
17
19
17
17
17
15
16
18
15
15
15

Dew Point (°C)

15
14
15
16
16
16
16
15
14
13
13
14
14
16
17
16
16
15
15
15
14
15
15
15

Relative Humidity (%)

96
93
86
78
70
63
58
53
51
50
53
64
76
95
96
95
95
95
95
96
95
96
98
100

Pressure (mb)

1016
1016
1016
1016
1015
1015
1014
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

252
252
252
253
253
254
254
254
254
254
254
254
253
254
255
257
255
253
254
254
255
254
254
255

Monday 22

Waxing Crescent 1%

07:50

19:30

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: 07:17, Set: 19:26, Transit: 13:21. Moon - Rise: 07:50, Set: 19:30. Civil Dark: 19:57 - 06:47. Nautical Dark: 20:32 - 06:12. Astro Dark: 21:09 - 05:35

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

92
93
93
94
94
97
100
86
95
85
57
58
61
77
87
93
93
93
94
96
98
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
95
59
23
96
97
77
65
55
41
26
9
22
32
43
59
65

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
78
50
25
53
71
89
85
81
74
89
79

ISS Passover

Visibility (miles)

7
4
6
7
4
9
8
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

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

Precipitation Probability (%)

95
95
91
86
72
54
62
44
43
10
9
22
27
38
36
22
35
43
49
46
43
34
37
40

Precipitation Amount (mm)

1.3
0.7
0.5
0.5
0.2
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
14
14
15
14
15
15
15
15
15
15
14
14
12
13
12
12
12
12
13
12
12
12

Feels Like (°C)

15
13
12
13
14
14
16
15
15
15
15
15
14
14
12
13
12
12
12
12
13
12
12
12

Dew Point (°C)

15
14
14
14
14
14
14
14
14
15
14
14
14
14
12
12
12
12
12
12
13
12
12
12

Relative Humidity (%)

98
96
96
98
98
95
90
96
93
95
93
93
98
96
98
98
100
100
98
98
100
98
98
98

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013

Ozone (du)

256
257
258
260
260
262
262
264
265
266
268
269
270
270
271
272
274
275
276
277
278
280
281
282

Tuesday 23

Waxing Crescent 3%

08:58

19:45

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: 19:24, Transit: 13:21. Moon - Rise: 08:58, Set: 19:45. Civil Dark: 19:54 - 06:49. Nautical Dark: 20:30 - 06:13. Astro Dark: 21:07 - 05:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
96
95
94
97
97
97
98
98

Low Clouds (% Sky Obscured)

100
99
98
97
96
96
95
96
98
99
90
82
73
71
67
62
54
45
35
50
62
76
70
66

Medium Clouds (% Sky Obscured)

56
42
25
13
35
59
83
77
68
60
74
86
96
96
95
94
92
92
91
82
75
62
71
82

High Clouds (% Sky Obscured)

56
33
38
43
42
46
56
61
69
80
89
91
100
99
98
97
94
90
85
66
50
39
37
31

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
9
8
6
4
6
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

43
45
45
45
45
43
40
41
40
37
51
56
53
69
79
87
85
75
56
51
48
47
60
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.4
0
0
0
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
13
13
13
14
14
14
14
14
14
13
13
12
12
12
11
11
11
11
11
11
10

Feels Like (°C)

13
13
11
12
12
13
14
14
14
14
14
14
14
14
12
11
12
11
11
11
10
10
10
9

Dew Point (°C)

12
12
12
12
12
13
13
14
13
13
13
13
13
12
12
11
11
11
11
10
11
11
11
10

Relative Humidity (%)

98
98
96
96
95
95
96
96
95
95
95
95
96
96
96
96
96
96
96
96
98
98
98
98

Pressure (mb)

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

Ozone (du)

283
284
287
290
293
293
294
294
295
296
297
299
301
303
305
306
307
309
310
312
312
312
312
312

Wednesday 24

Waxing Crescent 7%

10:06

20:01

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 OK
23 OK
00 OK
01 OK

Sun - Rise: 07:19, Set: 19:22, Transit: 13:21. Moon - Rise: 10:06, Set: 20:01. Civil Dark: 19:52 - 06:50. Nautical Dark: 20:28 - 06:14. Astro Dark: 21:05 - 05:38

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
98
95
93
72
54
32
33
31
32
30
30
28

Low Clouds (% Sky Obscured)

63
69
75
82
85
89
92
88
84
80
59
38
17
19
22
23
23
24
26

Medium Clouds (% Sky Obscured)

95
96
98
100
100
100
100
78
54
27
18
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

27
25
26
27
22
9
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

72
68
63
59
68
74
79
80
82
84
73
61
46
35
24
5
7
5
2

Precipitation Amount (mm)

0.3
0.3
0.3
0.2
0.3
0.4
0.5
0.5
0.5
0.6
0.4
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
8
8
9
9
9
9
13
12
12
13
14
15
11
11
12
10
10

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
95
93
89
86
86
86
86
89
90
93
95
95
95
95
96

Pressure (mb)

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

Ozone (du)

311
311
313
315
318
319
320
320
321
322
323
321
319
318
315
312
310
308
306

Forecast for Wangen an der Aare, Oberaargau, Switzerland (47.24,7.66)

Generated: 18/09/25 07:35:04. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00