Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 100%

19:04

05:10

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 Good
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:37, Set: 19:44, Transit: 12:41. Moon - Rise: 19:04, Set: 05:10. Civil Dark: 20:15 - 05:06. Nautical Dark: 20:52 - 04:28. Astro Dark: 21:34 - 03:46

Total Clouds (% Sky Obscured)

100
100
100
99
100
95
94
94
89
70
63
67
55
55
50
53
39
13
52
64
54
87
100
60

Low Clouds (% Sky Obscured)

100
100
90
99
100
92
82
81
75
70
51
56
50
49
36
1
0
0
18
61
33
59
46
24

Medium Clouds (% Sky Obscured)

83
49
39
35
26
36
45
30
18
34
22
21
23
28
30
46
33
11
42
18
35
41
55
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
4
1
12
11
11
10
10
12
3
1
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
4
4
4
2
3
2
2
3
4
5
6
5
4
4
4
5
8
9
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
9
9
9
9
8
8
8
7
6
5
5
5
5
5
3
1
-0
0
2
4

Relative Humidity (%)

93
95
93
95
96
96
96
96
96
96
98
96
93
96
96
96
90
77
61
45
39
38
41
51

Pressure (mb)

1007
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1010
1010
1010
1010
1010
1010
1009
1010

Ozone (du)

372
372
373
373
373
374
375
373
374
375
375
375
378
382
383
385
384
389
392
390
391
394
392
393

Friday 1

Full Moon 100%

20:10

05:36

15 Bad
16 OK
17 OK
18 OK
19 OK
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: 05:36, Set: 19:45, Transit: 12:41. Moon - Rise: 20:10, Set: 05:36. Civil Dark: 20:16 - 05:05. Nautical Dark: 20:54 - 04:27. Astro Dark: 21:36 - 03:45

Total Clouds (% Sky Obscured)

70
44
29
26
21
71
60
60
66
85
64
78
87
95
100
100
91
87
84
85
86
90
85
100

Low Clouds (% Sky Obscured)

4
2
0
2
0
2
0
0
0
10
10
20
21
25
88
74
71
56
67
57
68
71
47
67

Medium Clouds (% Sky Obscured)

30
25
5
8
19
55
57
41
44
40
35
78
87
95
59
26
24
16
12
13
10
10
11
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
2
1
0
0
0
0
0
0
0
0
2
1
2
10
31
24
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
6
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
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
14
31
57
66
60
32
33
13
22
38
43
48
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.2
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
8
7
4
3
3
2
2
2
1
4
3
4
5
2
2
1
2
2
5
4
3
6

Chance of Frost

Temperature (°C)

16
16
16
15
14
11
9
8
7
7
7
6
6
6
6
5
6
8
9
11
12
13
15
16

Feels Like (°C)

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

Dew Point (°C)

2
1
1
3
5
4
3
2
2
2
2
2
3
3
4
4
5
6
7
8
8
8
7
6

Relative Humidity (%)

38
36
36
42
54
61
65
66
70
71
72
72
76
81
88
93
93
91
88
77
73
72
59
49

Pressure (mb)

1009
1009
1009
1009
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1013
1013
1013
1012
1011

Ozone (du)

392
391
390
392
394
396
395
395
396
394
398
401
401
400
401
398
393
389
385
381
379
378
376
373

Saturday 2

Waning Gibbous 98%

21:15

06:09

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: 05:35, Set: 19:46, Transit: 12:41. Moon - Rise: 21:15, Set: 06:09. Civil Dark: 20:17 - 05:03. Nautical Dark: 20:55 - 04:25. Astro Dark: 21:37 - 03:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
100
100
100
100
100
100
98
100
100
58
78
67
52
80
73
84

Low Clouds (% Sky Obscured)

43
32
38
57
59
54
69
79
76
72
76
73
66
39
12
2
6
16
34
43
28
18
5
19

Medium Clouds (% Sky Obscured)

30
32
98
100
100
100
99
99
100
100
100
100
100
100
96
100
100
35
26
18
16
19
18
22

High Clouds (% Sky Obscured)

100
100
100
100
58
23
21
30
90
100
100
100
100
100
75
75
70
50
28
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
8
8
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
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
0
0
0
0
0

Precipitation Type

None
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 (%)

42
49
40
42
32
18
21
17
8
13
7
12
9
11
6
3
2
12
34
36
32
27
14
8

Precipitation Amount (mm)

0
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)

7
8
8
7
8
5
4
3
3
2
2
2
3
4
4
4
5
7
7
7
7
8
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
8
8
8
8
8
8
7
7
7
6
6
5
5
5
5
5
3
-2
-1
-0

Relative Humidity (%)

53
54
58
62
74
79
81
85
88
90
91
90
91
91
91
91
88
81
71
65
50
34
36
35

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1010
1009
1009
1008
1008
1007
1007

Ozone (du)

367
361
357
357
357
357
363
372
382
386
385
382
384
387
396
398
401
407
410
412
411
411
415
412

Sunday 3

Waning Gibbous 94%

22:17

06:48

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

Sun - Rise: 05:33, Set: 19:47, Transit: 12:41. Moon - Rise: 22:17, Set: 06:48. Civil Dark: 20:18 - 05:02. Nautical Dark: 20:57 - 04:23. Astro Dark: 21:39 - 03:41

Total Clouds (% Sky Obscured)

89
97
83
38
23
28
12
5
4
2
0
0
0
0
6
26
3
24
51
74
74
71
77
80

Low Clouds (% Sky Obscured)

30
32
38
4
2
13
2
1
1
1
0
0
0
0
0
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
30
23
16
9
5
2
1
0
0
0
0
0
0
0
0
0
13
49
74
73
71
70
78

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

Precipitation Probability (%)

9
3
5
5
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
11
12
10
9
7
6
5
5
5
5
5
5
5
5
5
6
7
8
10
12
12
12
12

Chance of Frost

Temperature (°C)

14
14
13
12
11
10
8
7
6
5
4
4
3
3
3
4
6
8
11
14
16
17
18
18

Feels Like (°C)

9
9
8
8
9
7
6
6
5
3
3
2
2
1
2
2
3
6
9
11
12
13
14
13

Dew Point (°C)

2
-1
-1
1
1
2
2
2
1
0
-1
-2
-2
-2
-2
-1
0
0
1
1
0
0
0
-1

Relative Humidity (%)

46
36
38
44
49
57
65
71
74
72
69
68
67
69
72
73
66
57
48
41
35
33
31
28

Pressure (mb)

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

Ozone (du)

410
408
409
412
415
411
404
403
407
409
406
401
399
400
401
402
403
404
402
400
395
393
393
395

Monday 4

Waning Gibbous 89%

23:15

07:35

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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: 05:32, Set: 19:48, Transit: 12:41. Moon - Rise: 23:15, Set: 07:35. Civil Dark: 20:20 - 05:01. Nautical Dark: 20:58 - 04:22. Astro Dark: 21:41 - 03:39

Total Clouds (% Sky Obscured)

82
86
75
65
54
42
29
19
30
28
35
80
87
96
99
100
100
90
81
71
62
54
46
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
15
22

Medium Clouds (% Sky Obscured)

81
85
73
55
42
32
21
9
6
3
0
43
63
88
91
92
92
72
52
38
27
14
4
8

High Clouds (% Sky Obscured)

5
5
2
0
1
1
1
6
15
10
17
78
87
96
99
100
100
89
78
68
59
51
39
20

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
27
38
46
39
31
16
13
9
0
3
4
2
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
17
17
15
14
13
12
11
11
11
11
11
10
10
11
12
13
15
18
21
22
24
25

Feels Like (°C)

13
13
13
13
13
11
10
9
9
8
9
7
7
7
7
7
8
8
11
12
13
15
16
17

Dew Point (°C)

0
2
5
5
6
6
7
7
7
7
6
6
7
8
9
9
10
11
11
10
11
11
11
11

Relative Humidity (%)

29
34
45
46
52
58
64
72
76
72
68
73
78
85
91
90
90
87
73
60
51
47
43
40

Pressure (mb)

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

Ozone (du)

398
399
403
401
398
395
394
392
390
389
390
386
387
387
388
389
389
390
391
391
392
391
390
389

Tuesday 5

Waning Gibbous 82%

00:05

08:30

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
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: 05:31, Set: 19:49, Transit: 12:41. Moon - Rise: 00:05, Set: 08:30. Civil Dark: 20:21 - 04:59. Nautical Dark: 21:00 - 04:20. Astro Dark: 21:43 - 03:37

Total Clouds (% Sky Obscured)

55
60
72
83
90
90
66
62
46
39
37
54
62
73
79
84
90
92
96
95
100
100
100
100

Low Clouds (% Sky Obscured)

29
36
24
12
0
0
0
0
0
0
1
18
29
42
41
39
37
26
17
6
22
64
95
100

Medium Clouds (% Sky Obscured)

12
18
26
29
29
26
26
27
18
9
1
10
20
33
56
78
90
92
96
95
100
100
100
100

High Clouds (% Sky Obscured)

9
0
0
0
0
0
0
0
0
5
5
29
29
30
30
30
40
30
25
25
45
85
30
55

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
7
5
2

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 (%)

5
3
6
9
3
4
3
1
2
5
3
5
4
0
0
0
0
7
12
16
60
90
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.9
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
24
24
22
20
18
17
15
14
14
14
13
13
13
13
14
14
15
17
18
20
18
16
14

Feels Like (°C)

23
23
22
22
21
20
13
12
12
12
12
11
10
10
10
10
10
11
13
14
14
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

43
47
50
54
58
64
66
68
70
71
72
74
75
75
75
75
75
74
71
66
63
72
82
95

Pressure (mb)

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

Ozone (du)

388
386
384
384
383
383
382
382
381
381
380
380
380
381
382
381
381
381
381
381
381
381
382
382

Wednesday 6

Waning Gibbous 74%

00:47

09:32

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 Good

Sun - Rise: 05:30, Set: 19:51, Transit: 12:41. Moon - Rise: 00:47, Set: 09:32. Civil Dark: 20:22 - 04:58. Nautical Dark: 21:01 - 04:19. Astro Dark: 21:44 - 03:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
98
99
79
58
37
30
24
17

Low Clouds (% Sky Obscured)

100
100
100
100
100
78
53
32
23
15
8
6
4
4
4
0
3

Medium Clouds (% Sky Obscured)

100
100
98
97
95
67
39
11
7
4
0
0
0
0
1
2
3

High Clouds (% Sky Obscured)

85
85
80
80
75
77
79
73
76
80
81
65
55
37
29
21
13

ISS Passover

Visibility (miles)

5
7
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

Precipitation Type

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
79
58
38
18
15
11
5
4
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
10
7
6
8
8
7
7
6
5
4
4
4
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
95
93
90
90
90
90
90
91
91
93
93
94
91
85

Pressure (mb)

1011
1010
1010
1010
1011
1011
1011
1011
1012
1012
1011
1011
1011
1010
1010
1010
1009

Ozone (du)

383
383
384
385
386
387
389
391
393
393
394
395
395
396
397
397
398

Forecast for Andover, Essex, United States of America (42.66,-71.14)

Generated: 30/04/26 15:39:04. Forecast: 30/04/26 to 06/05/26. Timezone: UTC-4.00