Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 31%

00:33

16:40

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

Sun - Rise: 07:16, Set: 18:42, Transit: 12:58. Moon - Rise: 00:33, Set: 16:40. Civil Dark: 19:13 - 06:44. Nautical Dark: 19:50 - 06:07. Astro Dark: 20:28 - 05:30

Total Clouds (% Sky Obscured)

15
17
37
21
22
28
24
24
24
22
35
40
43
26
27
30
66
28
27
60
48
62
46
31

Low Clouds (% Sky Obscured)

3
10
11
9
10
10
10
10
10
9
9
8
9
9
9
10
8
7
7
5
3
1
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
0
0
0
0
0

High Clouds (% Sky Obscured)

10
17
11
4
3
7
3
4
4
3
15
22
29
6
5
12
49
12
11
42
33
49
46
31

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
1
2
1
1
0
0
1
5
4
4
10
23
38
58
56
62
72
77
95
97
89
31
21

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)

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

Chance of Frost

Temperature (°C)

18
18
18
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18
18
18

Feels Like (°C)

17
17
18
18
18
19
18
18
18
18
18
17
18
17
18
18
18
17
18
18
17
17
17
18

Dew Point (°C)

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

Relative Humidity (%)

88
86
85
86
86
83
83
82
81
79
78
77
78
76
76
76
76
74
73
72
72
71
72
74

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1027
1027
1026
1026
1025
1024
1024
1023

Ozone (du)

291
289
286
284
283
281
281
280
279
277
275
275
274
274
273
273
272
271
271
271
271
271
271
271

Monday 5

Waning Crescent 20%

01:57

17:00

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

Sun - Rise: 07:18, Set: 18:40, Transit: 12:58. Moon - Rise: 01:57, Set: 17:00. Civil Dark: 19:11 - 06:46. Nautical Dark: 19:48 - 06:09. Astro Dark: 20:26 - 05:32

Total Clouds (% Sky Obscured)

9
12
9
13
19
19
9
39
49
32
7
34
44
44
36
27
30
34
73
81
88
93
97
100

Low Clouds (% Sky Obscured)

0
0
0
3
4
4
1
0
0
0
0
0
0
0
0
0
2
1
8
40
46
82
85
85

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
16
20
16
7
6
3
3
73
81
88
80
90
98

High Clouds (% Sky Obscured)

3
6
6
4
6
6
3
19
29
16
3
2
2
1
2
2
2
5
2
3
3
5
75
100

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 (%)

31
9
0
0
0
0
0
0
9
41
42
52
62
80
61
9
5
1
0
0
2
2
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
1
2
3
14
18

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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18
18
18
18
18

Feels Like (°C)

18
18
18
18
18
18
17
17
16
15
16
17
16
17
17
17
17
17
17
17
16
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

76
78
78
78
77
76
74
74
76
73
73
73
74
74
74
76
76
77
78
80
80
81
81
79

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1016

Ozone (du)

270
270
271
273
273
274
274
274
275
276
277
278
280
282
283
285
286
287
287
288
289
291
293
293

Tuesday 6

Waning Crescent 12%

03:19

17:17

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:19, Set: 18:37, Transit: 12:57. Moon - Rise: 03:19, Set: 17:17. Civil Dark: 19:09 - 06:47. Nautical Dark: 19:46 - 06:10. Astro Dark: 20:24 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
99
57
57
57
60
60
48
85
82

Low Clouds (% Sky Obscured)

84
86
89
92
92
89
90
89
92
94
96
97
98
95
55
23
18
14
17
31
37
21
63
82

Medium Clouds (% Sky Obscured)

99
100
96
100
100
100
100
100
100
100
98
81
91
56
39
47
24
18
18
17
20
16
85
13

High Clouds (% Sky Obscured)

98
100
100
79
25
40
74
90
97
100
100
100
100
100
88
99
57
57
7
5
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
6
3
4
7
8
8
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
Very Light Rain
Light Rain
Light 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

Precipitation Probability (%)

21
25
34
40
51
75
89
84
85
91
95
95
95
83
73
48
24
8
12
12
19
17
25
17

Precipitation Amount (mm)

0
0
0
0
0.2
0.6
1
0.8
0.6
0.6
0.8
1.4
1.4
0.4
0.5
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
10
9
8
6
6
8
10
12
12
12
11
12
12
13
12
13
15
16
17
21
23
24

Chance of Frost

Temperature (°C)

18
18
18
18
18
17
17
16
16
16
16
16
16
16
17
17
17
17
17
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
78
78
78
79
83
85
82
81
78
74
73
71
68
76
79
79
78
83
85
83
82
79

Pressure (mb)

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

Ozone (du)

293
293
294
297
299
301
300
300
300
301
301
302
303
304
305
305
305
300
296
299
301
306
309
314

Wednesday 7

Waning Crescent 6%

04:39

17:32

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:21, Set: 18:35, Transit: 12:57. Moon - Rise: 04:39, Set: 17:32. Civil Dark: 19:07 - 06:49. Nautical Dark: 19:44 - 06:12. Astro Dark: 20:22 - 05:35

Total Clouds (% Sky Obscured)

82
78
84
86
86
41
40
36
33
27
50
88
92
86
92
92
85
80
72
72
72
77
76
75

Low Clouds (% Sky Obscured)

82
78
84
86
86
18
18
19
19
19
17
34
76
36
18
16
15
16
13
14
61
77
76
75

Medium Clouds (% Sky Obscured)

13
16
12
12
10
9
9
6
2
0
3
7
10
7
7
7
67
61
4
8
6
60
4
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
13
35
40
36
50
45
35
20
10
11
12
13
17
21

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 (%)

10
9
8
12
13
16
24
22
23
22
32
27
24
22
24
26
22
15
10
10
7
2
9
20

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)

27
25
24
24
24
24
23
22
23
22
23
23
22
22
22
21
21
19
17
16
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
72
70
73
63
62
62
64
61
61
62
63
62
60
60
61
60
59
60
61
63
64
63
65

Pressure (mb)

1015
1016
1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

319
317
313
311
312
311
309
307
306
303
301
299
298
297
297
295
294
291
287
284
281
279
279
277

Thursday 8

Waning Crescent 2%

05:56

17:46

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:22, Set: 18:33, Transit: 12:57. Moon - Rise: 05:56, Set: 17:46. Civil Dark: 19:05 - 06:50. Nautical Dark: 19:42 - 06:13. Astro Dark: 20:19 - 05:36

Total Clouds (% Sky Obscured)

72
77
83
87
91
96
100
100
100
100
100
100
100
99
99
98
99
98
99
99
99
100
98
96

Low Clouds (% Sky Obscured)

72
77
83
87
91
90
88
90
93
95
96
99
58
64
69
75
83
91
99
99
99
100
98
96

Medium Clouds (% Sky Obscured)

4
8
65
63
85
94
97
98
99
100
100
69
92
90
94
98
97
95
94
93
92
90
68
41

High Clouds (% Sky Obscured)

14
15
35
40
63
80
100
100
100
100
75
40
10
62
47
30
31
36
31
21
11
2
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
6
7
4
3
4
9
9
9
9
9
9
9
8
7
6
6
5
5
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
Very 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
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

6
10
28
34
52
65
73
95
95
80
74
60
59
16
20
23
49
58
58
52
46
55
62
68

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.7
1
0.4
0.5
0.2
0.2
0
0
0
0
0
0
0
0
0.3
0.3
0.3

Wind Speed/Direction (mph)

16
16
15
16
17
18
18
20
22
24
25
25
27
27
27
28
27
27
29
29
29
29
29
25

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
15
15
15
16
16
16
16
16
16
17
17
17
17
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
68
72
73
78
80
82
86
86
83
85
85
87
87
89
87
89
89
89
90
92
93
92

Pressure (mb)

1024
1024
1025
1024
1024
1024
1023
1023
1022
1022
1021
1020
1019
1019
1020
1019
1019
1019
1019
1018
1018
1017
1016
1016

Ozone (du)

276
274
273
274
273
272
270
270
269
269
268
266
266
267
267
267
268
269
271
273
273
273
274
276

Friday 9

Waning Crescent 0%

07:12

18:01

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:24, Set: 18:31, Transit: 12:56. Moon - Rise: 07:12, Set: 18:01. Civil Dark: 19:03 - 06:52. Nautical Dark: 19:40 - 06:15. Astro Dark: 20:17 - 05:38

Total Clouds (% Sky Obscured)

95
80
64
46
52
63
72
79
85
91
88
86
81
75
70
66
77
88
100
94
88
82
83
86

Low Clouds (% Sky Obscured)

95
78
61
43
50
58
68
74
79
86
77
68
58
57
57
56
68
82
95
94
88
82
83
86

Medium Clouds (% Sky Obscured)

17
12
6
0
8
17
25
21
23
22
24
23
21
15
13
8
4
2
0
2
4
6
4
2

High Clouds (% Sky Obscured)

1
14
28
38
24
11
0
1
1
2
2
1
0
0
1
1
25
48
72
50
28
7
8
13

ISS Passover

Visibility (miles)

8
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

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

Precipitation Probability (%)

70
54
38
16
19
21
20
21
23
24
24
24
24
23
22
20
24
24
24
25
26
26
34
39

Precipitation Amount (mm)

0.4
0.2
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)

23
23
22
21
20
20
19
19
18
17
17
17
18
18
18
17
17
17
17
17
18
19
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
81
74
70
69
69
69
67
66
65
65
66
66
67
67
67
66
66
65
65
65
64
65

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1017
1017

Ozone (du)

278
280
281
281
282
283
285
286
287
287
288
289
290
291
292
293
294
295
295
295
296
297
297
298

Saturday 10

New Moon 1%

08:27

18:01

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
12 Bad

Sun - Rise: 07:25, Set: 18:29, Transit: 12:56. Moon - Rise: 08:27, Set: 18:01. Civil Dark: 19:01 - 06:53. Nautical Dark: 19:38 - 06:16. Astro Dark: 20:15 - 05:39

Total Clouds (% Sky Obscured)

88
82
74
65
68
71
75
72
69
65
71
77
80
87
93
100
100
100
100

Low Clouds (% Sky Obscured)

88
82
68
52
57
62
67
67
68
65
71
77
80
87
93
100
99
98
97

Medium Clouds (% Sky Obscured)

2
2
2
5
5
5
4
4
4
2
2
2
2
18
34
52
43
31
20

High Clouds (% Sky Obscured)

20
16
9
3
4
4
4
7
9
12
15
20
25
25
26
26
23
21
18

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

44
42
40
35
47
53
53
48
42
37
37
35
31
30
30
31
29
26
19

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
14
14
14
14
14
14
14
15
14
15
15
15
15
15
15
15

Feels Like (°C)

9
10
10
10
10
10
10
10
10
10
10
10
11
11
10
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

66
69
68
68
68
68
67
67
67
69
69
71
71
71
70
69
68
67
67

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

299
300
301
302
303
302
302
302
301
300
300
300
301
302
302
302
302
300
298

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 04/10/26 18:32:22. Forecast: 04/10/26 to 10/10/26. Timezone: UTC+1.00