Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

04:20

18:45

22 Good
23 Good
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 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:14, Set: 19:33, Transit: 13:23. Moon - Rise: 04:20, Set: 18:45. Civil Dark: 20:03 - 06:43. Nautical Dark: 20:39 - 06:08. Astro Dark: 21:16 - 05:31

Total Clouds (% Sky Obscured)

4
3
2
0
0
0
0
0
0
0
0
0
0
0
0
4
4
28
41
87
76
76
88
85

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
0
0
0
0
0
0
0
0
17
19
15
34
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
3
27
41
81
73
71
70
70

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)

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

Chance of Frost

Temperature (°C)

14
14
14
14
13
13
13
13
13
13
13
16
19
21
22
23
24
24
24
23
22
18
17
16

Feels Like (°C)

16
16
15
15
14
14
13
13
13
12
13
18
22
22
24
25
25
26
25
24
23
19
17
16

Dew Point (°C)

13
13
12
11
10
9
9
8
7
6
6
9
9
10
11
12
12
13
13
14
17
15
14
13

Relative Humidity (%)

92
92
90
86
82
77
75
70
65
62
62
63
53
50
48
48
47
48
51
57
74
80
82
82

Pressure (mb)

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

Ozone (du)

261
260
260
260
259
258
258
257
258
258
257
256
254
253
254
253
252
252
251
251
252
252
252
252

Friday 19

Waning Crescent 2%

05:33

19:02

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

Sun - Rise: 07:15, Set: 19:31, Transit: 13:23. Moon - Rise: 05:33, Set: 19:02. Civil Dark: 20:01 - 06:45. Nautical Dark: 20:37 - 06:09. Astro Dark: 21:14 - 05:32

Total Clouds (% Sky Obscured)

88
67
79
87
86
66
26
37
35
33
63
37
49
43
34
34
62
49
46
69
65
32
61
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
12
6
11
10
0
12
27

Medium Clouds (% Sky Obscured)

46
47
78
87
84
65
26
32
29
30
25
21
25
28
32
28
32
33
26
64
56
31
36
40

High Clouds (% Sky Obscured)

75
49
3
2
0
0
0
0
3
5
58
14
19
20
4
7
62
5
10
3
3
2
57
63

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
2
4
9
18
41
56

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
15
15
15
14
14
14
14
14
17
20
22
23
24
24
24
24
23
22
19
17
16

Feels Like (°C)

16
16
15
14
14
13
13
14
14
14
14
16
23
24
25
26
26
26
26
25
23
21
19
18

Dew Point (°C)

13
12
11
11
10
10
9
9
9
8
9
11
12
11
11
11
11
12
13
14
16
15
14
14

Relative Humidity (%)

81
77
74
73
71
70
71
70
69
69
70
68
58
51
47
43
43
47
50
57
72
78
83
85

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 0%

06:43

19:17

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
20 Bad
21 Bad

Sun - Rise: 07:16, Set: 19:29, Transit: 13:23. Moon - Rise: 06:43, Set: 19:17. Civil Dark: 19:59 - 06:46. Nautical Dark: 20:35 - 06:10. Astro Dark: 21:12 - 05:34

Total Clouds (% Sky Obscured)

100
51
78
60
91
100
100
100
95
96
99
81
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

23
26
20
18
21
29
34
50
64
62
63
66
78
56
56
54
86
100
100
100
87
86
83
82

Medium Clouds (% Sky Obscured)

31
38
34
29
29
40
59
34
37
34
87
46
41
28
61
69
78
100
100
100
100
100
93
100

High Clouds (% Sky Obscured)

100
33
28
60
91
100
100
100
69
76
90
30
32
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

7
8
9
9
7
9
9
9
9
9
9
9
9
9
9
9
7
3
3
1
3
0
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

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

Precipitation Probability (%)

47
47
30
28
34
16
28
12
21
11
8
6
4
8
44
74
82
94
95
95
95
95
95
95

Precipitation Amount (mm)

0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.9
1.7
1.3
2.3
2.8
2.1
2.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
15
16
14
15
13
13
13
12
12
12
15
17
18
18
18
18
17
16
15
15
15
14
12

Dew Point (°C)

14
14
13
13
12
12
12
12
11
12
12
13
13
12
11
11
13
14
15
14
14
14
13
13

Relative Humidity (%)

87
90
90
90
90
92
90
90
92
92
90
89
79
71
64
62
69
79
95
98
100
100
100
100

Pressure (mb)

1020
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015

Ozone (du)

252
252
254
254
253
252
252
253
253
254
255
256
257
258
258
258
258
258
259
260
260
261
263
262

Sunday 21

New Moon 1%

07:51

19:31

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
20 Bad
21 Bad

Sun - Rise: 07:18, Set: 19:27, Transit: 13:22. Moon - Rise: 07:51, Set: 19:31. Civil Dark: 19:57 - 06:47. Nautical Dark: 20:33 - 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
100
100
100
99
99
98
96
93

Low Clouds (% Sky Obscured)

83
83
84
86
90
95
96
93
95
94
93
94
95
95
95
93
92
93
93
90
88
85
83
82

Medium Clouds (% Sky Obscured)

100
100
100
100
99
97
96
74
70
72
67
62
72
69
70
85
87
75
85
58
53
58
37
74

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
90
89
92
97
100
100
100
100
100
94
100
88
78
64
42
21

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
94
92
73
62
91
95
95
95
95
95
95
95
95
85
58
37
36
29

Precipitation Amount (mm)

2.5
2.2
6
4.3
1.1
0.6
0.3
0.5
0.2
0
0.5
0.7
1.2
1.3
1.2
1.8
1.1
1
0.9
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
10
11
11
10
10
10
10
10
10
10
11
11
11
10
10
10
10
10
10
10
10

Feels Like (°C)

10
10
10
10
10
10
10
10
10
10
10
10
9
10
10
10
9
9
10
10
9
9
9
9

Dew Point (°C)

11
10
10
10
11
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

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

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

261
262
261
260
264
264
266
268
268
269
269
269
270
270
271
272
273
274
273
273
273
273
274
275

Monday 22

Waxing Crescent 3%

08:58

19:46

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
20 Bad
21 Bad

Sun - Rise: 07:19, Set: 19:25, Transit: 13:22. Moon - Rise: 08:58, Set: 19:46. Civil Dark: 19:55 - 06:49. Nautical Dark: 20:31 - 06:13. Astro Dark: 21:07 - 05:37

Total Clouds (% Sky Obscured)

92
94
95
97
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
85
90
94
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

72
72
75
72
72
73
60
68
55
77
18
23
24
63
96
96
95
96
95
98
99
100
100
100

High Clouds (% Sky Obscured)

0
0
0
5
5
5
15
15
15
10
5
15
20
20
25
25
27
19
17
38
69
100
100
99

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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

Precipitation Probability (%)

25
32
30
17
28
28
20
29
25
22
27
33
26
47
59
66
90
78
62
74
88
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.5
0.4
0.5
0.8
1.1
1.6
2.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8

Feels Like (°C)

9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

275
275
275
275
275
275
275
276
276
276
277
277
278
278
278
279
279
279
280
281
283
284
286
287

Tuesday 23

Waxing Crescent 7%

10:06

20:04

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
20 Bad
21 Bad

Sun - Rise: 07:20, Set: 19:23, Transit: 13:22. Moon - Rise: 10:06, Set: 20:04. Civil Dark: 19:53 - 06:50. Nautical Dark: 20:29 - 06:15. Astro Dark: 21:05 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
97
97
98
98
98
96
95
95
95
94
94
93
87
82

Low Clouds (% Sky Obscured)

100
98
96
92
94
94
95
92
92
92
92
95
97
93
88
84
84
84
83
82
83
85
82
76

Medium Clouds (% Sky Obscured)

100
93
85
78
76
74
72
62
61
55
55
55
60
65
74
76
75
85
86
82
81
79
78
74

High Clouds (% Sky Obscured)

93
62
28
0
15
31
46
59
69
73
72
69
55
35
30
20
20
10
10
9
7
6
7
13

ISS Passover

Visibility (miles)

0
0
0
0
0
3
6
9
9
9
9
9
9
9
9
9
9
8
8
7
8
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
94
82
40
42
37
18
46
52
47
56
59
60
66
66
61
62
61

Precipitation Amount (mm)

3.7
1.8
1.2
0.8
0.9
0.9
0.7
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
7
6
7
6
6
6
6
6
7
7
8
8
9
9
8
8
8
7
6

Dew Point (°C)

8
8
8
8
8
7
7
6
6
6
6
6
7
7
7
7
8
8
8
8
8
7
7
7

Relative Humidity (%)

100
98
98
100
100
98
98
96
96
94
94
91
91
90
87
84
83
85
88
90
91
93
94
96

Pressure (mb)

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

Ozone (du)

288
289
291
292
294
296
298
300
303
306
309
311
313
314
315
315
315
315
316
316
315
314
313
313

Wednesday 24

Waxing Crescent 13%

11:14

20:24

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: 07:21, Set: 19:21, Transit: 13:21. Moon - Rise: 11:14, Set: 20:24. Civil Dark: 19:51 - 06:51. Nautical Dark: 20:27 - 06:16. Astro Dark: 21:03 - 05:40

Total Clouds (% Sky Obscured)

79
74
78
75
90
98
100
100
100
100
100
100
100
98
96
94
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

70
65
64
65
75
80
90
90
90
80
75
65
50
45
45
50
58
65
75
70
52
40

Medium Clouds (% Sky Obscured)

70
70
78
75
80
80
80
82
84
86
63
44
23
18
11
4
4
5
5
4
4
3

High Clouds (% Sky Obscured)

45
70
78
75
77
78
100
100
100
100
100
100
100
73
40
10
37
60
53
47
42
51

ISS Passover

Visibility (miles)

9
9
9
8
8
7
6
6
4
2
0
0
0
0
2
4
5
4
2
0
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

Precipitation Type

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

Precipitation Probability (%)

56
52
47
43
55
62
67
58
56
58
50
38
28
27
23
17
17
17
16
14
13
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
6
6
6
7
8
10
11
12
12
12
12
11
11
10

Feels Like (°C)

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

Dew Point (°C)

7
7
6
7
6
6
6
6
6
6
6
7
8
10
10
11
11
12
12
11
10
10

Relative Humidity (%)

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

Pressure (mb)

1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023

Ozone (du)

313
313
312
312
311
311
310
310
309
308
307
305
304
303
302
300
299
298
297
296
296
296

Forecast for Eywald, Bern-Mittelland District, Switzerland (46.77,7.42)

Generated: 18/09/25 22:35:04. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00