Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 33%

11:20

01:06

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

Sun - Rise: 05:14, Set: 20:06, Transit: 12:40. Moon - Rise: 11:20, Set: 01:06. Civil Dark: 20:39 - 04:41. Nautical Dark: 21:21 - 03:58. Astro Dark: 22:09 - 03:09

Total Clouds (% Sky Obscured)

92
94
95
100
100
100
100
100
100
100
100
97
100
30
47
6
6
49
54
64
63
80
95
100

Low 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

Medium Clouds (% Sky Obscured)

52
27
37
15
9
0
1
0
4
6
9
9
33
18
10
1
2
2
2
2
2
0
0
0

High Clouds (% Sky Obscured)

92
94
95
100
100
100
100
100
100
100
100
93
71
0
29
3
2
49
54
64
63
78
94
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
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)

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

Chance of Frost

Temperature (°C)

17
17
17
17
16
13
12
12
11
11
10
10
9
8
7
7
9
12
14
15
16
17
17
18

Feels Like (°C)

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

Dew Point (°C)

-1
1
1
2
3
3
2
1
1
1
3
2
1
0
-1
-0
0
0
-2
-2
-2
-1
-1
0

Relative Humidity (%)

29
33
35
37
42
48
47
46
47
50
62
56
59
60
60
62
53
43
34
31
30
29
29
30

Pressure (mb)

1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1027
1027
1027
1028
1028
1029
1030
1030
1030
1030
1030
1030
1029
1029

Ozone (du)

317
320
320
322
325
324
325
329
332
332
333
335
338
339
342
341
341
342
341
341
341
341
342
343

Friday 22

Waxing Crescent 44%

12:32

01:31

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: 05:13, Set: 20:07, Transit: 12:40. Moon - Rise: 12:32, Set: 01:31. Civil Dark: 20:40 - 04:40. Nautical Dark: 21:22 - 03:57. Astro Dark: 22:11 - 03:08

Total Clouds (% Sky Obscured)

86
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low 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

Medium Clouds (% Sky Obscured)

2
2
12
49
63
51
55
52
46
8
54
57
48
41
48
45
26
3
11
45
14
29
29
68

High Clouds (% Sky Obscured)

86
100
100
94
100
100
100
100
100
100
100
100
100
100
100
100
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
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)

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

Chance of Frost

Temperature (°C)

18
17
16
15
13
11
10
10
10
10
9
9
8
8
8
8
10
12
15
17
18
18
18
19

Feels Like (°C)

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

Dew Point (°C)

0
1
1
1
2
1
1
1
0
-0
-1
-2
-2
-2
-2
-1
1
2
2
2
2
2
3
3

Relative Humidity (%)

30
33
35
38
46
51
53
53
52
50
48
48
48
49
49
52
53
48
42
36
35
34
35
34

Pressure (mb)

1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1031
1031
1031
1032
1032
1033
1033
1033
1033
1032
1032
1032

Ozone (du)

345
345
344
344
345
343
342
342
341
341
342
342
343
343
344
344
344
344
344
345
346
344
344
343

Saturday 23

First Quarter 56%

13:40

01:53

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: 05:12, Set: 20:08, Transit: 12:40. Moon - Rise: 13:40, Set: 01:53. Civil Dark: 20:41 - 04:39. Nautical Dark: 21:23 - 03:56. Astro Dark: 22:13 - 03:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
26
35
59
69
69
69
79

Medium Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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
9
9
5

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

Precipitation Probability (%)

0
0
0
1
2
2
5
4
7
17
15
23
34
39
52
65
72
58
72
88
83
79
89
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0.3
0.5
0.4
0.4
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
13
12
11
9
8
8
8
8
8
8
8
7
8
8
8
9
8
9
8
9
8
7

Dew Point (°C)

2
3
3
4
4
3
3
3
3
4
4
4
4
4
5
6
5
4
3
2
2
3
5
8

Relative Humidity (%)

34
39
41
48
54
56
57
58
60
63
65
65
67
68
72
74
69
63
57
51
52
54
66
90

Pressure (mb)

1032
1032
1032
1032
1032
1032
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1032
1032
1032

Ozone (du)

343
343
343
343
342
341
339
338
339
339
340
340
340
340
340
340
340
339
341
340
340
339
340
341

Sunday 24

Waxing Gibbous 66%

14:46

02:13

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: 05:12, Set: 20:08, Transit: 12:41. Moon - Rise: 14:46, Set: 02:13. Civil Dark: 20:42 - 04:38. Nautical Dark: 21:24 - 03:55. Astro Dark: 22:14 - 03:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

84
89
94
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
55
96
31
67
67
21
14
93
88
90
85
63
52
26
22
15

High Clouds (% Sky Obscured)

100
100
100
100
100
90
81
71
56
41
31
54
77
100
100
100
100
100
100
100
100
100
100
98

ISS Passover

Visibility (miles)

8
7
8
5
4
4
3
2
4
5
1
1
0
0
0
0
1
0
0
0
0
4
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
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
88
83
63
55
39
32
27
65
58
22
10
4
0
0

Precipitation Amount (mm)

0.8
0.8
0.7
0.9
1
1.2
1.8
1.7
0.9
0.8
0.5
0.4
0
0
0
0
0
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
7
7
7
7
7
7
6
6
6
7
7
7
7
8
8
8
8
7
8
8
9
12

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
96
98
96
98
98
98
98
98
98
98
98
98
98
100
98
96
98
96
95
79

Pressure (mb)

1031
1031
1030
1030
1029
1029
1029
1028
1028
1027
1026
1025
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021

Ozone (du)

341
341
342
343
342
340
337
334
332
331
333
332
331
331
331
332
332
334
334
335
338
339
341
342

Monday 25

Waxing Gibbous 76%

No Rise

02:32

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:11, Set: 20:09, Transit: 12:41. Moon - Rise: No Rise, Set: 02:32. Civil Dark: 20:43 - 04:37. Nautical Dark: 21:26 - 03:54. Astro Dark: 22:16 - 03:04

Total Clouds (% Sky Obscured)

96
97
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

96
97
91
83
75
66
56
47
54
62
69
52
54
57
38
19
0
26
52
78
77
75
74
59

Medium Clouds (% Sky Obscured)

8
0
0
0
0
0
0
0
0
0
0
0
0
0
17
34
47
40
39
35
32
17
0
0

High Clouds (% Sky Obscured)

95
96
99
97
96
97
98
99
100
100
99
99
98
100
100
100
100
100
100
100
96
91
87
58

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
1
6
6
2
2
1
1
1
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)

6
5
6
7
6
4
3
3
3
3
2
2
2
2
2
2
3
3
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

15
16
17
15
13
11
11
10
11
11
11
10
9
10
9
11
12
13
14
15
16
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
61
61
73
87
95
98
100
93
93
93
95
95
95
95
90
87
83
80
78
75
73
71
68

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1021
1021
1021
1020
1020
1019

Ozone (du)

342
339
335
333
333
334
334
335
335
335
335
335
336
338
339
341
343
345
345
345
345
349
353
356

Tuesday 26

Waxing Gibbous 84%

15:51

02:52

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: 05:10, Set: 20:10, Transit: 12:41. Moon - Rise: 15:51, Set: 02:52. Civil Dark: 20:44 - 04:37. Nautical Dark: 21:27 - 03:54. Astro Dark: 22:17 - 03:03

Total Clouds (% Sky Obscured)

97
96
96
94
89
75
66
58
61
64
68
60
58
59
72
90
95
99
98
98
98
99
100
73

Low Clouds (% Sky Obscured)

44
29
35
41
47
31
16
0
0
0
0
3
3
3
4
8
10
22
33
40
49
71
87
70

Medium Clouds (% Sky Obscured)

1
2
1
0
0
4
10
15
22
29
32
18
2
0
12
24
37
54
70
87
58
30
1
1

High Clouds (% Sky Obscured)

32
0
0
0
0
0
0
0
0
0
0
12
25
37
25
12
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 (%)

0
0
1
1
1
2
1
0
3
2
1
1
1
0
8
10
9
14
16
17
18
21
22
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)

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

Chance of Frost

Temperature (°C)

19
19
20
19
17
16
15
14
14
14
13
13
13
13
13
14
15
17
19
21
23
23
24
25

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
71
76
79
85
87
90
93
95
95
96
96
96
95
93
90
89
81
73
66
61
57
53

Pressure (mb)

1019
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011

Ozone (du)

362
368
374
372
369
367
364
362
359
359
358
358
358
359
359
359
359
359
363
367
371
374
377
381

Wednesday 27

Waxing Gibbous 90%

16:56

03:14

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

Sun - Rise: 05:10, Set: 20:11, Transit: 12:41. Moon - Rise: 16:56, Set: 03:14. Civil Dark: 20:45 - 04:36. Nautical Dark: 21:28 - 03:53. Astro Dark: 22:19 - 03:01

Total Clouds (% Sky Obscured)

47
20
14
7
1
1
0
0
0
1
1
2
4
6
7
8
10

Low Clouds (% Sky Obscured)

46
20
13
7
0
0
0
0
0
1
1
2
4
6
7
8
9

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
1
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

Fog (%)

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

Precipitation Probability (%)

12
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
26
27
24
22
20
18
16
15
14
13
13
13
12
12
14
15

Feels Like (°C)

25
26
25
25
26
26
18
17
17
16
15
15
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

48
43
39
42
45
49
53
58
62
65
68
69
69
67
69
64
60

Pressure (mb)

1011
1011
1011
1012
1012
1013
1014
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

380
379
377
377
376
376
376
377
377
379
380
382
386
390
395
400
405

Forecast for Boxford, Essex, United States of America (42.66,-70.99)

Generated: 21/05/26 15:31:33. Forecast: 21/05/26 to 27/05/26. Timezone: UTC-4.00