Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Crescent 31%

13:10

20:46

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:08, Set: 17:19, Transit: 12:13. Moon - Rise: 13:10, Set: 20:46. Civil Dark: 17:51 - 06:36. Nautical Dark: 18:27 - 06:00. Astro Dark: 19:03 - 05:25

Total Clouds (% Sky Obscured)

94
95
97
97
98
83
56
68
72
70
75
88
90
86
80
79
97
98
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

90
91
97
83
92
62
56
51
54
54
36
45
38
75
54
45
69
53
100
91
81
82
66
67

Medium Clouds (% Sky Obscured)

95
95
97
97
90
30
0
0
2
31
32
44
37
43
52
47
94
97
85
29
48
45
38
40

High Clouds (% Sky Obscured)

77
5
13
23
10
45
6
50
50
50
0
0
0
2
2
2
2
3
55
91
66
100
99
89

ISS Passover

Visibility (miles)

-
5
9
2
5
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
1
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

100
95
95
95
95
91
50
36
14
12
25
25
8
8
9
4
10
19
18
11
6
7
6
4

Precipitation Amount (mm)

1
0.3
1.4
1.6
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
17
16
15
15
18
16
13
12
9
7
7
6
5
5
6
6
5
4
4
3
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
6
6
7
6
5
5
6
5
5
6
6
6
6
7
7
7
6
7
8
8
9
10
12

Dew Point (°C)

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

Relative Humidity (%)

80
87
87
90
91
87
87
85
85
87
87
88
85
87
87
90
90
87
85
85
85
84
84
79

Pressure (mb)

1009
1008
1008
1008
1009
1010
1012
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

280
281
283
281
281
280
282
282
284
286
288
286
283
281
280
278
275
272
271
271
273
273
273
274

Tuesday 28

Waxing Crescent 40%

13:48

21:54

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 Bad
02 Bad
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:10, Set: 17:18, Transit: 12:13. Moon - Rise: 13:48, Set: 21:54. Civil Dark: 17:49 - 06:38. Nautical Dark: 18:26 - 06:02. Astro Dark: 19:01 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
86
47
29
34
32
41
56
45
30
100
99
100
100
100
95
97

Low Clouds (% Sky Obscured)

65
75
68
50
64
66
44
54
12
7
23
27
31
38
33
18
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

42
22
20
1
10
2
2
2
2
2
2
2
0
2
2
3
25
29
25
100
54
66
51
89

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
75
36
14
12
8
16
34
31
30
100
99
49
100
100
89
83

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
2
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 (%)

2
3
4
4
1
1
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
11
11
11
10
9
9
9
8
8
7
6
6
4
4
3
3
3
3
6
8
11

Dew Point (°C)

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

Relative Humidity (%)

72
64
66
71
76
87
88
88
88
88
88
88
88
88
88
86
86
88
88
90
86
79
69
62

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1015
1014
1014
1013
1013
1013
1012
1011
1010

Ozone (du)

274
275
275
274
274
274
275
274
276
275
274
274
275
274
274
272
271
271
268
267
269
271
271
270

Wednesday 29

First Quarter 51%

14:17

23:07

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:11, Set: 17:16, Transit: 12:13. Moon - Rise: 14:17, Set: 23:07. Civil Dark: 17:48 - 06:39. Nautical Dark: 18:24 - 06:03. Astro Dark: 19:00 - 05:27

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
87
95
92
77
78
78
76
76
75
79
54

Low Clouds (% Sky Obscured)

0
0
1
6
6
15
15
15
25
64
75
80
88
69
86
78
65
64
64
63
62
60
61
54

Medium Clouds (% Sky Obscured)

98
100
86
68
86
100
100
100
100
100
100
100
97
69
69
64
38
0
0
0
0
2
0
0

High Clouds (% Sky Obscured)

69
100
100
100
100
100
100
100
100
100
100
100
100
10
20
20
25
20
10
3
33
7
12
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
3
5
9
6
5
7
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
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
2
8
48
48
81
95
95
95
95
95
81
69
59
44
26
11
20
2
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0.3
1.5
1.8
0.8
0.6
0.6
0.4
0.3
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
16
15
14
12
12
12
12
11
12
13
13
13
12
12
12
11
11
12
12
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
50
51
61
66
71
75
79
81
83
91
95
95
93
93
95
93
95
95
93
92
92
92
92

Pressure (mb)

1010
1009
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1010
1011
1011
1011
1012
1013
1013
1014
1014
1014

Ozone (du)

269
269
269
269
271
270
270
269
269
271
270
271
272
273
273
271
272
274
274
273
274
276
277
276

Thursday 30

Waxing Gibbous 61%

14:40

00:23

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

Sun - Rise: 07:13, Set: 17:14, Transit: 12:13. Moon - Rise: 14:40, Set: 00:23. Civil Dark: 17:46 - 06:41. Nautical Dark: 18:23 - 06:04. Astro Dark: 18:58 - 05:29

Total Clouds (% Sky Obscured)

57
80
44
41
59
17
5
13
50
43
19
11
22
12
32
33
40
51
53
50
51
53
48
44

Low Clouds (% Sky Obscured)

57
52
43
34
23
11
0
0
0
0
1
1
0
2
2
33
40
45
45
40
40
40
40
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
32
33
40
51
53
48
51
53
48
44

High Clouds (% Sky Obscured)

27
53
15
14
33
7
5
13
38
35
19
10
7
8
18
15
15
8
13
20
15
20
25
30

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
4
4
6

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
2
12
33
17
27
48
51
72

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)

4
4
4
4
4
4
4
4
4
3
4
4
4
4
4
4
3
4
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
14
16
16
12
12
10
10
7
8
9
9
7
8
6
7
7
8
8
9
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

80
78
75
74
83
90
90
90
90
90
90
90
91
91
91
90
87
84
84
84
83
84
93
90

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

275
277
277
275
275
276
277
276
275
275
276
275
275
275
276
276
277
276
275
276
276
277
278
280

Friday 31

Waxing Gibbous 72%

15:00

01:40

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:14, Set: 17:13, Transit: 12:13. Moon - Rise: 15:00, Set: 01:40. Civil Dark: 17:45 - 06:42. Nautical Dark: 18:21 - 06:06. Astro Dark: 18:57 - 05:30

Total Clouds (% Sky Obscured)

35
56
74
88
92
96
100
98
61
57
54
56
89
90
90
90
91
93
94
96
98
100
99
97

Low Clouds (% Sky Obscured)

35
35
40
40
40
2
2
3
2
0
0
0
0
7
14
21
14
7
0
0
0
0
11
22

Medium Clouds (% Sky Obscured)

35
56
74
88
92
96
100
49
22
18
17
16
15
22
25
28
20
9
0
0
0
15
25
38

High Clouds (% Sky Obscured)

35
50
39
50
56
58
55
46
6
8
16
31
56
67
83
90
91
93
94
76
61
45
45
50

ISS Passover

Visibility (miles)

3
1
1
2
2
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

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

Precipitation Probability (%)

95
95
95
95
87
21
7
3
1
1
4
9
6
19
26
20
28
26
27
46
48
59
63
61

Precipitation Amount (mm)

1.2
2.1
0.8
1.4
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
16
16
15
14
13
13
12
13
12
12
12
11
11
10
11
10
10
10
12
13
13

Feels Like (°C)

17
16
16
16
15
14
13
12
11
13
13
12
12
10
10
10
9
9
9
9
8
8
8
8

Dew Point (°C)

15
17
16
16
16
15
13
13
12
12
12
11
11
10
10
10
9
10
9
9
9
9
10
9

Relative Humidity (%)

90
96
98
98
98
96
95
95
95
95
93
93
93
92
93
93
93
93
91
93
90
86
83
77

Pressure (mb)

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

Ozone (du)

278
276
276
276
278
280
280
282
281
279
276
274
271
269
267
265
263
261
260
258
257
256
256
256

Saturday 1

Waxing Gibbous 81%

15:17

02:59

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:16, Set: 17:11, Transit: 12:13. Moon - Rise: 15:17, Set: 02:59. Civil Dark: 17:43 - 06:43. Nautical Dark: 18:20 - 06:07. Astro Dark: 18:56 - 05:31

Total Clouds (% Sky Obscured)

95
96
96
96
94
93
92
95
97
100
99
99
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
29
25
21
16
9
3
5
7
8
23
37
52
61
69
78
81
86
89
89
91
95
90
89

Medium Clouds (% Sky Obscured)

44
54
63
70
69
67
65
75
83
94
90
90
87
91
94
98
98
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

51
53
56
65
53
41
29
51
65
76
79
81
87
92
97
100
100
100
100
100
100
100
75
43

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
None
Very Light Rain
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

Precipitation Probability (%)

52
62
57
46
54
45
19
22
29
24
41
59
80
87
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0.3
0.2
0
0.2
0
0
0
0
0
0
0.2
0.4
0.4
0.6
0.8
1.5
1.6
1.7
2.1
2.1
2.3
2.4
2.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
14
14
14
14
14
15
11
12
12
12
11
11
12
12
12
13
12
12
12
12
11
12

Dew Point (°C)

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

Relative Humidity (%)

73
67
70
73
76
78
79
80
83
86
87
89
89
90
92
92
93
95
95
96
96
95
93
93

Pressure (mb)

1013
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1013
1013
1014
1014

Ozone (du)

256
257
257
256
256
256
255
255
257
260
262
262
262
262
264
265
266
267
269
270
273
276
279
285

Sunday 2

Waxing Gibbous 90%

15:34

04:20

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: 17:10, Transit: 12:13. Moon - Rise: 15:34, Set: 04:20. Civil Dark: 17:42 - 06:45. Nautical Dark: 18:18 - 06:08. Astro Dark: 18:54 - 05:33

Total Clouds (% Sky Obscured)

100
99
98
96
83
72
57
73
86
100
100
99
99
96
92
89
82
76
69

Low Clouds (% Sky Obscured)

89
90
88
91
61
31
2
19
36
53
68
81
92
90
92
89
82
70
57

Medium Clouds (% Sky Obscured)

100
96
93
89
74
56
41
57
73
89
88
90
83
80
83
87
82
76
69

High Clouds (% Sky Obscured)

10
20
28
40
45
49
51
66
81
97
87
74
64
50
45
42
28
12
1

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

95
95
73
50
39
30
20
18
20
14
45
54
56
66
74
67
57
50
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
92
90
87
87
87
90
86
83
80
84
87
90
88
87
87
88
88

Pressure (mb)

1014
1014
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019

Ozone (du)

291
296
296
296
296
296
297
298
299
301
302
302
301
300
299
298
296
297
297

Forecast for Kleinbasel Altstadt, Basel-Stadt, Switzerland (47.56,7.59)

Generated: 27/10/25 13:40:14. Forecast: 26/10/25 to 02/11/25. Timezone: UTC+1.00