Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 6

Waning Crescent 18%

00:49

18:18

22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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: 06:21, Set: 19:34, Transit: 12:57. Moon - Rise: 00:49, Set: 18:18. Civil Dark: 20:09 - 05:46. Nautical Dark: 20:53 - 05:02. Astro Dark: 21:40 - 04:15

Total Clouds (% Sky Obscured)

40
54
64
72
95
99
58
32
64
83
99
100
92
100
100
100
89
89
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
21
0
24
39
58
37
54
84
59
50
48
62
30
28
16
0
0
0
0

Medium Clouds (% Sky Obscured)

18
11
10
72
86
93
55
8
7
17
18
4
11
11
21
100
86
67
21
72
95
96
94
99

High Clouds (% Sky Obscured)

40
54
64
72
84
93
12
0
14
45
84
100
56
100
100
100
70
75
100
100
100
100
100
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 (%)

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
13
0
16
21
7
1
0
0
5
2
0
0
12
13
4
2
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
10
10
10
10
10
9
8
8
7
8
10
13
13
13
14
14
14
13
12
10
8
6
7

Chance of Frost

Temperature (°C)

20
18
18
17
17
17
17
16
16
16
17
19
21
21
21
21
21
21
21
21
20
19
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
63
66
68
72
76
76
79
82
85
81
75
68
68
66
61
61
59
48
45
45
47
50
53

Pressure (mb)

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

Ozone (du)

301
302
301
302
302
300
300
304
303
300
301
299
298
299
298
298
298
299
299
298
299
299
300
301

Monday 7

Waning Crescent 10%

02:21

18:38

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 OK
15 Bad
16 Bad
17 Good
18 Good
19 Good
20 OK
21 Good

Sun - Rise: 06:23, Set: 19:32, Transit: 12:57. Moon - Rise: 02:21, Set: 18:38. Civil Dark: 20:07 - 05:47. Nautical Dark: 20:50 - 05:04. Astro Dark: 21:37 - 04:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
94
84
100
49
41
86
49
5
0
0
17
7

Low Clouds (% Sky Obscured)

5
58
70
56
59
65
80
71
70
56
62
52
36
46
38
49
41
54
30
5
0
0
13
5

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
95
100
94
22
20
2
2
15
7
1
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
49
49
100
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
46
89
74
70
56
49
44
35
33
15
2
2
0
0
0
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.7
0.4
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
11
12
13
13
13
14
14
13
11
12
14
15
17
18
18
19
19
18
16
16
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
8
9
10
12
12
12
12
12
13
12
9
10
8
8
8
6
3
7
7
8
7
7

Relative Humidity (%)

53
56
59
66
71
84
86
86
83
84
87
78
66
64
54
51
48
41
35
50
51
57
60
65

Pressure (mb)

1013
1012
1011
1011
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

301
302
302
300
299
299
301
302
305
306
311
317
317
322
330
338
338
340
342
343
343
343
346
349

Tuesday 8

Waning Crescent 4%

03:53

18:53

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

Sun - Rise: 06:24, Set: 19:29, Transit: 12:57. Moon - Rise: 03:53, Set: 18:53. Civil Dark: 20:04 - 05:49. Nautical Dark: 20:47 - 05:06. Astro Dark: 21:33 - 04:20

Total Clouds (% Sky Obscured)

23
30
24
53
44
57
34
26
23
18
26
45
32
28
49
73
56
59
60
81
35
55
66
73

Low Clouds (% Sky Obscured)

15
22
18
51
44
38
34
26
22
18
18
35
26
22
25
25
0
0
4
31
30
30
19
13

Medium Clouds (% Sky Obscured)

4
4
0
2
0
7
0
0
0
0
0
0
0
0
5
8
7
7
3
9
3
2
1
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
19
44
57

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
1
3
22
16
4
2
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)

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
12
11
11
10
11
12
14
16
17
18
18
19
19
20
19
19
17
15
14

Feels Like (°C)

9
9
7
7
6
7
7
7
8
9
9
11
12
14
15
16
17
18
18
19
18
15
15
15

Dew Point (°C)

8
8
7
7
6
7
7
6
7
7
7
7
7
7
6
5
5
5
5
4
7
11
10
8

Relative Humidity (%)

70
72
72
71
67
71
76
74
77
77
70
61
56
51
46
42
39
37
37
36
45
66
69
68

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1009
1010
1010
1011
1012
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016

Ozone (du)

352
355
360
361
358
358
359
358
360
348
342
339
337
337
336
335
336
333
329
330
328
323
320
319

Wednesday 9

Waning Crescent 1%

05:21

19:05

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: 06:26, Set: 19:27, Transit: 12:56. Moon - Rise: 05:21, Set: 19:05. Civil Dark: 20:02 - 05:51. Nautical Dark: 20:44 - 05:08. Astro Dark: 21:30 - 04:22

Total Clouds (% Sky Obscured)

75
99
100
100
100
100
100
100
100
99
98
97
86
79
92
81
97
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

8
4
0
8
16
24
27
28
27
38
45
50
55
58
78
63
75
75
65
60
55
64
76
56

Medium Clouds (% Sky Obscured)

0
0
0
5
12
18
70
99
100
99
98
97
25
13
11
4
38
5
5
5
4
5
5
10

High Clouds (% Sky Obscured)

60
99
100
100
100
100
99
98
97
86
76
55
13
0
0
3
5
37
69
82
95
97
99
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 (%)

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
22
33
34

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)

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

Chance of Frost

Temperature (°C)

13
12
11
10
9
9
9
9
9
9
11
13
14
16
18
19
19
19
19
19
18
18
17
16

Feels Like (°C)

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

Dew Point (°C)

8
7
7
6
6
6
5
5
5
5
5
6
7
7
7
11
9
9
11
11
11
11
11
12

Relative Humidity (%)

71
75
76
78
78
77
74
74
74
74
68
62
61
55
49
59
50
51
59
61
61
64
67
73

Pressure (mb)

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

Ozone (du)

316
315
314
312
311
310
308
307
307
307
308
310
313
314
314
316
309
305
302
300
297
296
297
296

Thursday 10

Waning Crescent 0%

06:46

19:15

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 OK
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 06:28, Set: 19:24, Transit: 12:56. Moon - Rise: 06:46, Set: 19:15. Civil Dark: 19:59 - 05:53. Nautical Dark: 20:42 - 05:10. Astro Dark: 21:27 - 04:25

Total Clouds (% Sky Obscured)

100
100
100
73
66
69
60
63
82
91
63
61
57
57
54
62
70
81
56
31
8
7
6
7

Low Clouds (% Sky Obscured)

91
71
85
73
66
69
60
63
73
86
45
34
30
23
24
39
57
77
56
31
8
7
3
0

Medium Clouds (% Sky Obscured)

100
100
100
25
20
20
8
6
2
2
2
2
4
4
10
16
15
14
9
3
0
0
0
0

High Clouds (% Sky Obscured)

100
94
25
21
14
5
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

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
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

Precipitation Probability (%)

34
25
34
78
95
95
85
58
37
21
8
1
2
2
24
21
16
1
8
8
1
1
0
0

Precipitation Amount (mm)

0
0
0
0.5
0.7
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
80
86
90
95
96
96
96
95
89
73
61
55
50
47
47
48
49
50
51
53
57
60

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020
1021

Ozone (du)

295
294
296
298
300
302
304
306
308
311
313
315
317
319
319
318
315
312
309
310
310
311
311
311

Friday 11

New Moon 2%

08:09

19:25

22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 OK
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: 06:29, Set: 19:22, Transit: 12:56. Moon - Rise: 08:09, Set: 19:25. Civil Dark: 19:57 - 05:54. Nautical Dark: 20:39 - 05:12. Astro Dark: 21:24 - 04:27

Total Clouds (% Sky Obscured)

27
43
58
52
50
48
61
74
86
82
79
68
73
72
77
84
90
91
90
93
98
99
99
100

Low Clouds (% Sky Obscured)

0
0
0
5
9
14
21
26
18
8
4
3
14
28
42
49
54
60
63
74
78
86
92
97

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
6
9
37
66
68
73
67
59
61
65
68
73
79
84
69
55
41

High Clouds (% Sky Obscured)

11
37
47
42
37
30
35
37
40
32
24
21
16
16
17
33
48
54
47
47
53
69
87
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 (%)

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
5
13
17
36
47
51
47
38
24

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)

7
6
6
5
5
5
5
6
6
7
9
12
14
15
17
19
18
17
17
15
14
13
12
12

Chance of Frost

Temperature (°C)

13
12
12
11
10
10
10
10
11
11
13
14
16
17
19
20
20
20
20
20
19
19
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
68
71
72
73
74
74
77
78
72
68
64
55
47
42
45
49
51
59
68
77
78
81

Pressure (mb)

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

Ozone (du)

311
309
307
305
303
301
299
297
296
295
295
294
294
296
298
300
300
300
300
300
300
300
301
302

Saturday 12

Waxing Crescent 7%

09:30

19:37

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

Sun - Rise: 06:31, Set: 19:20, Transit: 12:55. Moon - Rise: 09:30, Set: 19:37. Civil Dark: 19:54 - 05:56. Nautical Dark: 20:36 - 05:14. Astro Dark: 21:21 - 04:29

Total Clouds (% Sky Obscured)

99
97
95
93
93
93
89
88
89
92
96
95
100
100
100
100
100
100
81
63
44

Low Clouds (% Sky Obscured)

95
92
89
78
68
64
60
58
56
59
65
85
93
96
99
92
85
78
64
49
30

Medium Clouds (% Sky Obscured)

51
61
71
79
86
93
68
43
16
11
5
0
2
5
14
24
39
47
34
16
0

High Clouds (% Sky Obscured)

93
73
50
46
30
32
47
65
89
92
96
95
100
100
100
100
100
100
67
33
0

ISS Passover

Visibility (miles)

9
8
7
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

40
52
58
52
44
30
20
9
0
1
0
0
0
0
0
25
50
74
71
67
48

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
16
15
15
17
16
17
16
15
16
17
18
18
19
21
19
17
19
21

Dew Point (°C)

14
15
15
15
15
14
14
14
14
14
13
11
10
10
11
11
10
8
6
9
11

Relative Humidity (%)

82
85
88
90
89
89
89
89
92
93
78
63
52
50
49
47
45
43
41
48
56

Pressure (mb)

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

Ozone (du)

303
305
307
309
312
315
317
317
316
315
313
310
308
308
307
307
306
304
303
302
302

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

Generated: 06/09/26 22:53:58. Forecast: 06/09/26 to 12/09/26. Timezone: UTC+1.00