Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waning Gibbous 81%

00:43

08:57

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

Sun - Rise: 04:37, Set: 21:19, Transit: 12:58. Moon - Rise: 00:43, Set: 08:57. Civil Dark: 22:08 - 03:47. Nautical Dark: 23:28 - 02:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
96
100
93
98
100
98
92
92
54
54
36
38
30
30
35
42
45
40
57
65
83
85
72

Low Clouds (% Sky Obscured)

55
68
61
65
62
62
63
32
22
6
23
36
38
30
30
35
42
39
34
53
46
37
69
64

Medium Clouds (% Sky Obscured)

78
93
72
89
90
96
91
51
92
14
15
7
3
3
3
2
2
3
3
18
58
83
76
32

High Clouds (% Sky Obscured)

37
96
31
67
95
8
68
83
51
6
3
2
0
0
0
0
0
0
0
0
0
3
3
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

58
59
84
72
66
74
68
75
52
38
18
0
0
0
0
0
0
0
0
0
0
1
2
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
10
11
12
12
13
13
13
13
12
13
12
11
10
9
8
8
8
8
7
8
7
8
8

Dew Point (°C)

13
13
13
12
13
13
13
13
13
13
13
12
11
11
10
10
9
9
9
9
9
9
8
7

Relative Humidity (%)

81
85
85
77
82
78
82
79
83
87
87
90
92
93
93
93
93
93
84
87
90
84
79
69

Pressure (mb)

992
992
993
993
993
994
995
995
996
997
998
999
1000
1001
1001
1002
1003
1004
1005
1006
1007
1008
1008
1009

Ozone (du)

406
404
405
403
401
400
401
400
398
398
397
397
398
401
403
402
395
392
389
385
384
379
377
377

Friday 5

Waning Gibbous 72%

00:59

No Set

10 Bad
11 Bad
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

Sun - Rise: 04:36, Set: 21:20, Transit: 12:58. Moon - Rise: 00:59, Set: No Set. Civil Dark: 22:09 - 03:46. Nautical Dark: 23:30 - 02:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
63
78
86
97
97
61
78
86
96
95
100
100
100
100
100
99
100
100
100
100
95
92
99

Low Clouds (% Sky Obscured)

55
46
12
0
14
20
0
24
0
16
20
0
22
29
0
0
19
76
51
26
36
50
43
51

Medium Clouds (% Sky Obscured)

15
32
34
35
31
40
18
50
36
51
52
44
42
1
60
97
83
100
100
98
100
91
86
97

High Clouds (% Sky Obscured)

6
3
3
34
38
33
3
3
4
12
46
100
100
100
100
88
72
100
100
100
100
60
55
50

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
Very Light Rain
None

Precipitation Probability (%)

3
2
1
0
0
0
1
2
2
5
3
11
1
10
0
4
18
36
38
35
33
33
52
48

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
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
15
16
16
16
15
16
16
16
15
15
13
12
12
11
10
10
11
11
11
12
12
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
56
53
51
53
60
55
58
57
69
71
75
77
79
87
90
88
83
81
77
75
77
83
84

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1008

Ozone (du)

378
376
372
373
377
378
374
371
370
367
365
366
367
370
371
371
371
373
374
376
375
373
373
373

Saturday 6

Waning Gibbous 62%

01:11

10:15

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

Sun - Rise: 04:35, Set: 21:21, Transit: 12:58. Moon - Rise: 01:11, Set: 10:15. Civil Dark: 22:11 - 03:45. Nautical Dark: 23:32 - 02:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
100
100
92
98
100
100
80
64
100
68
30
44
33
83
100
95
93
79
30
40
50
55
64

Low Clouds (% Sky Obscured)

76
97
100
85
77
61
55
56
29
31
13
12
7
23
46
49
89
89
68
30
33
23
33
37

Medium Clouds (% Sky Obscured)

97
100
93
90
78
74
96
76
13
72
68
30
44
8
14
17
11
20
16
3
4
9
15
18

High Clouds (% Sky Obscured)

50
51
19
20
89
100
100
4
4
40
9
0
0
3
8
34
0
0
12
6
10
50
47
42

ISS Passover

Visibility (miles)

9
9
9
9
7
8
4
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
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 (%)

41
49
53
66
79
95
63
31
18
3
0
1
4
5
6
5
24
3
18
18
6
0
2
0

Precipitation Amount (mm)

0
0
0.2
0.2
0.4
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
14
14
12
13
12
11
11
8
5
4
2
3
2
4
6
7
8
9
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
90
93
96
93
96
95
90
92
93
93
93
93
93
95
95
95
96
96
95
95
86
80

Pressure (mb)

1008
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1008
1008
1009
1009
1010
1010
1011
1012
1013
1014
1015
1015
1016

Ozone (du)

374
377
377
377
380
381
389
398
401
400
397
392
389
391
386
385
383
381
380
378
375
373
371
369

Sunday 7

Waning Gibbous 52%

01:21

11:32

10 Bad
11 Bad
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

Sun - Rise: 04:35, Set: 21:22, Transit: 12:59. Moon - Rise: 01:21, Set: 11:32. Civil Dark: 22:12 - 03:45. Nautical Dark: 23:34 - 02:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
50
58
73
82
93
93
83
90
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
31
38
44
42
43
38
28
32
8
4
1
17
27
40
45
49
48
48
51
50
50
51
51

Medium Clouds (% Sky Obscured)

14
12
9
17
24
28
36
35
35
33
43
100
100
41
79
68
48
100
98
96
93
96
98
100

High Clouds (% Sky Obscured)

31
12
23
11
17
22
15
8
16
47
75
100
100
99
99
99
100
100
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
4
3
4

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
3
0
5
18
22
30
26
6
4
0
14
21
25
34
38
40
36
35
53
83
91
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
18
19
20
19
19
19
19
20
19
18
16
16
16
15
14
14
13
13
13
14
13
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
64
63
63
70
66
73
76
74
77
83
87
93
90
93
93
95
96
93
89
87
93
96
96

Pressure (mb)

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

Ozone (du)

369
370
370
368
368
364
364
365
364
363
363
359
358
357
357
358
358
358
358
358
359
361
362
364

Monday 8

Third Quarter 41%

01:31

12:50

10 Bad
11 Bad
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 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad

Sun - Rise: 04:35, Set: 21:23, Transit: 12:59. Moon - Rise: 01:31, Set: 12:50. Civil Dark: 22:13 - 03:44. Nautical Dark: 23:36 - 02:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
69
67
62
65
70
65
62
69
100
80
58
37
27
27
30
38
46
54

Low Clouds (% Sky Obscured)

57
62
69
66
63
59
59
67
62
65
70
65
62
64
57
45
33
21
23
25
27
36
45
54

Medium Clouds (% Sky Obscured)

100
100
100
100
40
40
35
35
35
40
50
50
55
60
60
42
24
7
9
10
11
9
7
3

High Clouds (% Sky Obscured)

68
96
70
48
74
60
31
42
55
54
57
54
34
19
20
15
10
10
4
3
0
0
1
0

ISS Passover

Visibility (miles)

5
9
4
9
2
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
88
79
78
75
88
59
23
10
2
0
1
1
0

Precipitation Amount (mm)

0.7
1
1.2
1.1
1
0.9
0.8
0.9
1.1
0.9
0.8
0.6
0.4
0.5
0.5
0.6
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
12
13
12
12
12
11
10
9
8
8
8
6
6
6
5
4
4
3
8
9

Dew Point (°C)

13
13
13
13
13
13
12
10
8
7
6
5
5
5
6
8
7
8
7
7
7
7
7
7

Relative Humidity (%)

96
96
95
95
85
81
82
68
65
62
64
66
71
72
78
90
91
95
95
91
87
83
75
67

Pressure (mb)

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

Ozone (du)

366
367
372
379
385
394
401
408
407
408
407
407
408
412
413
413
413
412
411
411
410
409
411
414

Tuesday 9

Waning Crescent 30%

01:42

14:10

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

Sun - Rise: 04:34, Set: 21:23, Transit: 12:59. Moon - Rise: 01:42, Set: 14:10. Civil Dark: 22:14 - 03:44. Nautical Dark: 23:38 - 02:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

69
85
96
92
94
97
81
64
47
36
21
4
27
49
63
64
72
75
87
84
73
76
79
78

Low Clouds (% Sky Obscured)

56
55
56
60
63
68
59
54
47
31
18
4
13
18
23
26
29
30
33
39
48
56
67
75

Medium Clouds (% Sky Obscured)

15
26
37
33
23
16
12
5
0
0
0
0
15
30
45
53
62
70
75
75
70
69
49
44

High Clouds (% Sky Obscured)

30
57
75
75
75
85
57
28
0
2
4
4
9
14
16
18
19
25
20
14
11
7
6
0

ISS Passover

Visibility (miles)

9
8
7
6
7
8
8
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
Very 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
None
None
None
None
None

Precipitation Probability (%)

19
27
34
57
68
73
68
57
38
32
23
6
9
8
0
0
0
0
3
4
5
11
11
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
10
10
13
12
12
12
12
12
12
12
13
12
11
11
7
7
7
7
7
6
9
9

Dew Point (°C)

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

Relative Humidity (%)

61
61
60
59
62
65
67
67
68
69
70
74
76
78
80
82
84
87
88
85
82
81
81
81

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

416
414
411
408
404
400
396
391
387
382
381
380
379
378
377
376
375
374
373
372
371
370
372
373

Wednesday 10

Waning Crescent 20%

01:54

15:34

10 Bad
11 Bad
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: 04:34, Set: 21:24, Transit: 12:59. Moon - Rise: 01:54, Set: 15:34. Civil Dark: 22:15 - 03:43. Nautical Dark: 23:39 - 02:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
81
84
82
80
78
77
76
76
83
90
97
94
92
88
87
84
83
89
94
100

Low Clouds (% Sky Obscured)

67
51
39
29
15
8
7
1
0
18
36
54
44
34
23
28
35
40
37
33
28

Medium Clouds (% Sky Obscured)

48
61
74
74
72
71
66
56
42
38
34
34
44
58
72
61
48
30
25
40
40

High Clouds (% Sky Obscured)

0
0
0
1
2
5
10
16
21
45
70
94
89
82
76
70
64
61
74
90
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

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

Precipitation Probability (%)

16
21
24
24
20
9
13
12
9
7
4
1
7
10
11
20
26
30
33
35
37

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
83
85
82
78
76
73
72
69
73
78
82
84
89
92
93
95
96
95
92

Pressure (mb)

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

Ozone (du)

375
377
379
381
380
379
377
379
380
381
381
380
379
380
381
382
378
374
370
368
366

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

Generated: 04/06/26 10:46:05. Forecast: 04/06/26 to 10/06/26. Timezone: UTC+1.00