Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 31%

00:04

16:21

15 OK
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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:09, Set: 18:29, Transit: 12:48. Moon - Rise: 00:04, Set: 16:21. Civil Dark: 19:03 - 06:35. Nautical Dark: 19:43 - 05:55. Astro Dark: 20:24 - 05:14

Total Clouds (% Sky Obscured)

42
56
58
100
90
93
94
97
88
78
90
45
85
78
57
64
72
54
81
76
63
62
59
81

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
0
8
17
22
24
37
25
33
50
42
49
47
65

Medium Clouds (% Sky Obscured)

42
56
58
52
43
54
36
43
23
12
10
9
10
19
24
27
28
33
40
25
15
14
15
25

High Clouds (% Sky Obscured)

42
56
58
100
82
77
91
91
77
78
85
45
79
68
41
47
40
10
43
40
16
8
6
8

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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
16
15
14
13
13
13
13
13
13
12
12
12
12
13
15
17
19
20
21
22

Feels Like (°C)

17
17
16
15
14
13
12
11
12
11
11
12
11
11
11
11
11
11
14
15
17
18
19
20

Dew Point (°C)

4
3
4
7
9
9
9
10
11
11
11
12
12
12
12
12
12
12
11
12
13
12
13
12

Relative Humidity (%)

33
32
36
50
63
67
72
78
86
90
92
93
93
95
95
96
96
93
80
71
68
60
57
53

Pressure (mb)

1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022

Ozone (du)

287
285
282
281
280
281
280
278
276
275
275
274
273
273
272
271
271
272
271
269
268
266
266
265

Monday 5

Waning Crescent 21%

01:34

16:44

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

Sun - Rise: 07:11, Set: 18:27, Transit: 12:48. Moon - Rise: 01:34, Set: 16:44. Civil Dark: 19:01 - 06:36. Nautical Dark: 19:41 - 05:56. Astro Dark: 20:22 - 05:16

Total Clouds (% Sky Obscured)

92
82
60
55
54
71
64
50
59
38
53
53
51
59
71
72
62
53
73
67
45
60
58
68

Low Clouds (% Sky Obscured)

68
58
36
12
28
22
32
30
27
6
16
20
31
34
18
14
17
14
31
32
31
34
27
28

Medium Clouds (% Sky Obscured)

35
27
39
36
33
15
34
33
37
23
29
30
28
31
24
25
15
30
38
31
21
14
23
21

High Clouds (% Sky Obscured)

10
10
15
16
11
57
29
10
6
6
6
3
3
6
33
34
30
10
28
24
3
15
9
9

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 (%)

1
0
1
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
8

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)

15
15
13
11
8
7
7
6
6
6
6
6
6
6
6
5
5
5
6
7
7
7
7
7

Chance of Frost

Temperature (°C)

22
23
22
21
19
18
17
17
16
15
15
14
14
14
14
13
13
13
15
17
18
20
21
22

Feels Like (°C)

19
19
20
20
20
19
17
17
17
16
16
15
15
15
15
14
14
14
16
17
18
21
22
23

Dew Point (°C)

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

Relative Humidity (%)

52
52
53
59
70
78
82
85
89
92
95
95
95
95
95
95
95
93
83
74
65
58
52
49

Pressure (mb)

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

Ozone (du)

265
265
265
266
266
266
267
267
267
267
268
270
272
273
273
274
275
277
278
279
280
281
282
284

Tuesday 6

Waning Crescent 12%

03:01

17:00

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:12, Set: 18:24, Transit: 12:47. Moon - Rise: 03:01, Set: 17:00. Civil Dark: 18:59 - 06:38. Nautical Dark: 19:39 - 05:58. Astro Dark: 20:19 - 05:18

Total Clouds (% Sky Obscured)

51
94
95
99
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
66

Low Clouds (% Sky Obscured)

19
22
22
66
77
69
76
81
85
83
86
93
88
88
96
100
99
97
95
96
98
100
75
48

Medium Clouds (% Sky Obscured)

15
94
95
85
99
100
96
100
100
99
100
100
99
100
100
100
100
100
100
99
99
98
85
66

High Clouds (% Sky Obscured)

1
1
5
59
31
23
15
40
55
86
99
100
100
100
100
100
100
100
100
100
100
100
80
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
3
8
9
8
9
9
9
6
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
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

7
8
4
9
22
21
26
41
51
50
48
61
75
84
95
76
62
70
70
65
61
64
69
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0
0.3
0.5
0.5
0.7
0.3
0.2
0.3
0.3
0.3
0.2
0.3
0.3
0

Wind Speed/Direction (mph)

7
7
6
6
7
7
8
8
8
8
8
8
8
7
6
6
8
9
11
11
11
12
12
13

Chance of Frost

Temperature (°C)

22
22
21
19
18
17
16
15
15
14
14
14
14
13
13
13
13
13
13
12
12
12
12
13

Feels Like (°C)

23
23
20
18
15
15
15
14
13
13
13
12
13
13
13
13
13
12
11
9
9
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

47
47
51
67
78
81
83
86
86
87
89
89
90
90
92
92
93
95
93
87
87
87
87
86

Pressure (mb)

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

Ozone (du)

286
287
288
288
289
291
294
296
295
294
294
294
294
294
294
294
292
290
288
283
283
289
291
295

Wednesday 7

Waning Crescent 6%

04:25

17:12

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

Sun - Rise: 07:14, Set: 18:22, Transit: 12:47. Moon - Rise: 04:25, Set: 17:12. Civil Dark: 18:56 - 06:40. Nautical Dark: 19:36 - 06:00. Astro Dark: 20:17 - 05:19

Total Clouds (% Sky Obscured)

46
49
49
53
47
22
20
16
12
6
16
21
54
32
34
35
57
53
53
46
43
45
59
71

Low Clouds (% Sky Obscured)

26
32
35
44
44
8
5
5
7
6
13
21
28
29
32
31
26
18
15
10
10
10
16
27

Medium Clouds (% Sky Obscured)

46
49
49
53
4
5
6
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
11
71

High Clouds (% Sky Obscured)

30
30
25
0
0
0
0
0
0
0
2
0
30
1
1
1
29
35
40
35
30
30
30
30

ISS Passover

Visibility (miles)

9
9
6
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 (%)

43
47
33
23
4
2
1
3
3
2
5
3
2
5
3
2
5
3
1
3
3
1
8
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
10
8
7
7
7
7
4
4
3
3
4
4
4
4
4
5
5
3
2
2
1
0

Relative Humidity (%)

84
84
84
81
77
80
87
88
75
75
77
79
82
84
84
88
90
88
78
63
54
47
42
39

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

298
301
305
313
316
311
309
308
308
308
307
305
304
303
303
302
300
300
298
296
294
292
292
289

Thursday 8

Waning Crescent 2%

05:46

17:23

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:16, Set: 18:20, Transit: 12:47. Moon - Rise: 05:46, Set: 17:23. Civil Dark: 18:54 - 06:42. Nautical Dark: 19:34 - 06:02. Astro Dark: 20:15 - 05:21

Total Clouds (% Sky Obscured)

80
69
59
48
58
59
65
76
87
98
99
99
100
100
100
100
99
98
97
98
99
100
97
95

Low Clouds (% Sky Obscured)

37
23
16
4
58
59
65
71
71
70
72
77
77
83
81
89
89
90
90
86
82
80
83
89

Medium Clouds (% Sky Obscured)

51
20
54
11
58
59
65
76
87
97
97
99
100
100
99
99
98
97
96
98
99
100
89
78

High Clouds (% Sky Obscured)

28
41
52
48
58
56
50
53
65
78
84
92
100
100
100
100
92
83
80
85
80
70
58
55

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
9
5
1
4
6
50
75
86
95
87
77
66
66
75
84
80
65
38
40
43
44
48
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.5
0.8
0.7
0.5
0.3
0.3
0.4
0.5
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
12
9
7
6
6
8
6
8
10
11
11
12
13
15
17
17
17
18
18
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
9
8
8
7
5
5
4
3
3
4
4
4
5
5
8
8
8
9
9
10
11

Dew Point (°C)

-0
-0
1
4
5
4
3
5
6
6
6
6
7
7
8
8
9
9
9
10
11
11
12
12

Relative Humidity (%)

37
36
43
58
66
65
63
77
87
88
91
88
88
87
85
85
84
84
81
81
82
82
82
82

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018
1017
1016
1015
1014
1013
1013
1012
1012
1011
1011
1011

Ozone (du)

286
283
278
276
276
276
276
275
275
274
273
273
273
273
273
273
273
272
272
271
271
272
272
274

Friday 9

Waning Crescent 0%

07:07

17:33

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 OK
12 OK
13 OK
14 Bad

Sun - Rise: 07:18, Set: 18:17, Transit: 12:46. Moon - Rise: 07:07, Set: 17:33. Civil Dark: 18:52 - 06:43. Nautical Dark: 19:32 - 06:03. Astro Dark: 20:12 - 05:23

Total Clouds (% Sky Obscured)

92
91
85
81
64
51
38
54
69
83
75
69
63
68
71
77
73
69
61
49
31
16
31
46

Low Clouds (% Sky Obscured)

92
91
85
81
64
45
23
16
10
4
3
3
1
12
24
37
34
31
26
30
31
16
31
35

Medium Clouds (% Sky Obscured)

64
43
21
0
3
7
13
24
30
35
34
33
37
38
31
22
22
16
12
6
2
0
2
3

High Clouds (% Sky Obscured)

48
32
14
0
0
0
0
16
33
44
24
13
2
2
2
2
2
2
2
1
1
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
0
0
0

Precipitation Type

None
None
Very 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

Precipitation Probability (%)

40
49
55
55
44
30
11
12
8
0
1
0
0
1
1
1
3
3
0
3
3
2
7
6

Precipitation Amount (mm)

0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
15
13
11
11
10
10
10
10
11
11
11
11
12
12
12
13
14
15
16
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
10
8
8
8
8
8
7
7
7
6
6
5
4
3
3
4
4
4
4
4
5

Relative Humidity (%)

81
81
78
75
71
76
81
85
85
85
87
87
85
87
78
70
63
62
62
61
58
56
52
52

Pressure (mb)

1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

276
279
280
281
283
285
288
290
291
292
293
296
298
301
301
302
302
303
304
304
305
305
306
307

Saturday 10

New Moon 1%

08:27

17:44

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:20, Set: 18:15, Transit: 12:46. Moon - Rise: 08:27, Set: 17:44. Civil Dark: 18:50 - 06:45. Nautical Dark: 19:29 - 06:05. Astro Dark: 20:10 - 05:25

Total Clouds (% Sky Obscured)

61
65
69
64
56
38
36
36
36
36
53
67
80
79
77
74

Low Clouds (% Sky Obscured)

35
39
41
47
37
30
25
22
18
14
20
25
28
32
35
39

Medium Clouds (% Sky Obscured)

5
3
2
0
0
0
0
15
29
36
33
22
12
15
14
17

High Clouds (% Sky Obscured)

0
0
1
1
8
14
22
33
36
36
47
32
21
19
17
15

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
17
16
14
12
12
12
12
12
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
9
9
9
5
6
6
6
5
6
5
5
5
5
5

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6

Relative Humidity (%)

52
52
57
61
67
69
72
74
75
77
77
78
81
81
85
87

Pressure (mb)

1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

308
309
309
309
310
310
310
310
309
308
307
307
306
306
305
304

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 04/10/26 14:46:04. Forecast: 04/10/26 to 10/10/26. Timezone: UTC+1.00