Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:13

02:12

03 Bad
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
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 OK

Sun - Rise: 05:14, Set: 20:57, Transit: 13:05. Moon - Rise: 09:13, Set: 02:12. Civil Dark: 21:39 - 04:32. Nautical Dark: 22:37 - 03:34. Astro Dark: 00:08 - 01:57

Total Clouds (% Sky Obscured)

35
23
25
27
25
22
23
36
45
39
52
37
36
38
60
84
93
92
81
68
69
66
52
27

Low Clouds (% Sky Obscured)

34
23
25
25
20
21
22
29
31
18
21
8
18
16
23
23
16
9
28
4
2
2
4
9

Medium Clouds (% Sky Obscured)

5
0
0
3
6
8
9
26
36
37
40
27
26
21
35
29
22
11
5
6
3
1
1
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
34
15
10
20
41
77
91
91
75
66
68
66
51
20

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

12
16
17
17
9
8
10
10
12
20
36
50
53
48
46
40
35
13
6
5
0
3
6
0

Precipitation Amount (mm)

0.01
0.04
0.06
0.03
0.01
0.01
0.02
0.03
0.05
0.11
0.28
0.42
0.56
0.48
0.44
0.37
0.28
0.07
0.01
0.01
0
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
7
7
10
11
12
13
13
13
13
12
12
12
12
11
7
6
6
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

91
92
94
99
99
100
97
94
90
88
87
87
88
89
90
87
85
86
87
88
89
88
88
89

Pressure (mb)

1001
1002
1002
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008
1008
1009
1010
1010
1011
1012
1012
1012
1012
1012

Ozone (du)

384
382
384
384
385
387
390
391
390
386
381
382
384
386
387
389
388
389
390
391
392
393
394
393

Tuesday 18

Waxing Crescent 39%

10:22

02:41

03 OK
04 OK
05 Good
06 OK
07 Good
08 OK
09 Bad
10 OK
11 Bad
12 OK
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

Sun - Rise: 05:12, Set: 20:59, Transit: 13:05. Moon - Rise: 10:22, Set: 02:41. Civil Dark: 21:41 - 04:30. Nautical Dark: 22:39 - 03:32. Astro Dark: 00:14 - 01:50

Total Clouds (% Sky Obscured)

16
23
10
16
9
37
38
39
48
38
77
64
90
98
99
99
100
100
100
98
95
95
72
63

Low Clouds (% Sky Obscured)

13
23
9
15
8
29
24
34
41
20
70
32
34
29
21
22
18
27
7
22
63
84
66
48

Medium Clouds (% Sky Obscured)

9
9
3
2
2
9
26
26
23
23
9
20
29
31
55
92
98
99
93
94
46
23
20
25

High Clouds (% Sky Obscured)

1
0
0
0
0
7
6
2
3
16
27
47
85
97
98
98
98
97
98
89
86
71
9
20

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
5
4
6
11
25
32
40
34
27
15
20
14
4
4
4
5
5
4

Precipitation Amount (mm)

0
0
0
0
0
0
0.02
0.02
0.06
0.13
0.22
0.26
0.39
0.33
0.25
0.14
0.14
0.08
0.02
0.02
0.01
0.01
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
93
96
98
95
87
80
74
72
75
74
75
76
80
83
88
90
90
92
93
92
91
92

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1014
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

393
392
391
390
388
388
388
388
389
390
391
392
392
393
395
396
396
396
396
396
396
396
397
396

Wednesday 19

First Quarter 50%

11:37

03:03

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

Sun - Rise: 05:11, Set: 21:00, Transit: 13:06. Moon - Rise: 11:37, Set: 03:03. Civil Dark: 21:43 - 04:29. Nautical Dark: 22:42 - 03:30. Astro Dark: 00:21 - 01:43

Total Clouds (% Sky Obscured)

32
19
6
2
2
6
19
26
38
39
43
46
44
35
26
10
12
12
12
12
12
12
62
62

Low Clouds (% Sky Obscured)

24
12
2
2
2
6
19
25
26
33
32
31
6
1
2
6
9
9
9
9
9
9
5
5

Medium Clouds (% Sky Obscured)

23
15
4
2
1
1
0
6
31
28
33
41
42
29
24
9
6
6
6
6
6
6
0
0

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
3
14
9
0
0
0
0
0
0
0
60
60

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
4
0
0
0
0
3
3
3
4
4
3
4
6
4
4
3
2
0
0
0
0
6
16

Precipitation Amount (mm)

0.01
0.01
0
0
0
0
0.01
0.01
0.02
0.02
0.04
0.02
0.03
0.08
0.04
0.04
0.04
0.02
0
0
0
0
0.04
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
5
6
7
10
12
12
13
14
15
14
14
13
12
12
11
7
7
6
6
5
5

Dew Point (°C)

6
6
7
7
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
6
6
6
6

Relative Humidity (%)

92
94
96
98
97
94
86
79
74
69
65
61
62
65
68
71
72
77
83
87
90
90
92
95

Pressure (mb)

1015
1016
1016
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1021
1023

Ozone (du)

396
395
395
394
398
399
398
397
395
393
393
391
385
379
379
380
381
381
381
378
374
370
371
370

Thursday 20

Waxing Gibbous 61%

12:55

03:03

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:10, Set: 21:02, Transit: 13:06. Moon - Rise: 12:55, Set: 03:03. Civil Dark: 21:44 - 04:27. Nautical Dark: 22:44 - 03:27. Astro Dark: 00:29 - 01:34

Total Clouds (% Sky Obscured)

62
62
62
62
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
8
8

Low Clouds (% Sky Obscured)

5
5
5
5
0
0
0
0
0
0
19
19
19
19
19
19
100
100
100
100
100
100
6
6

Medium Clouds (% Sky Obscured)

0
0
0
0
98
98
98
98
98
98
100
100
100
100
100
100
13
13
13
13
13
13
6
6

High Clouds (% Sky Obscured)

60
60
60
60
98
98
98
98
98
98
61
61
61
61
61
61
88
88
88
88
88
88
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

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

Precipitation Probability (%)

25
28
22
12
19
14
6
4
4
3
7
13
21
21
31
48
43
37
15
7
18
41
35
40

Precipitation Amount (mm)

0.13
0.15
0.1
0.04
0.11
0.09
0.07
0.06
0.07
0.11
0.23
0.18
0.11
0.07
0.12
0.28
0.36
0.22
0.05
0.02
0.08
0.29
0.36
0.49

Wind Speed/Direction (mph)

6
6
7
7
8
10
12
13
14
15
14
14
14
14
15
17
16
16
17
18
18
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
5
7
11
12
13
14
13
13
12
12
11
10
11
11
11
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

96
97
99
100
100
96
86
75
70
68
70
75
84
91
95
95
92
89
86
84
86
91
94
95

Pressure (mb)

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

Ozone (du)

370
369
368
366
364
363
361
362
361
361
363
361
358
355
353
353
333
330
331
332
334
336
348
351

Friday 21

Waxing Gibbous 72%

14:16

03:23

03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
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

Sun - Rise: 05:08, Set: 21:03, Transit: 13:06. Moon - Rise: 14:16, Set: 03:23. Civil Dark: 21:46 - 04:26. Nautical Dark: 22:46 - 03:25. Astro Dark: 00:38 - 01:20

Total Clouds (% Sky Obscured)

8
8
8
8
12
12
12
12
12
12
88
88
88
88
88
88
99
99
99
99
99
99
66
66

Low Clouds (% Sky Obscured)

6
6
6
6
4
4
4
4
4
4
83
83
83
83
83
83
98
98
98
98
98
98
42
42

Medium Clouds (% Sky Obscured)

6
6
6
6
9
9
9
9
9
9
66
66
66
66
66
66
96
96
96
96
96
96
58
58

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
21
21
21
21
21
21
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
7
7
7
7
9
10
10
10
10
10
10
10
10
10
10

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

Very 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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

30
31
21
21
28
18
13
11
22
32
38
52
58
62
62
66
53
58
68
76
78
76
74
74

Precipitation Amount (mm)

0.35
0.31
0.19
0.15
0.21
0.11
0.07
0.08
0.15
0.23
0.29
0.4
0.43
0.42
0.34
0.36
0.32
0.39
0.57
0.78
0.85
0.83
0.76
0.61

Wind Speed/Direction (mph)

18
18
18
18
17
17
17
19
20
20
20
20
21
21
20
20
21
21
21
21
22
22
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
6
6
10
11
11
12
14
14
14
13
12
11
11
11
11
11
6
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

97
98
97
95
98
97
95
90
84
81
80
81
85
88
91
93
86
90
93
95
98
99
99
100

Pressure (mb)

1010
1009
1008
1007
1009
1008
1007
1006
1005
1004
1004
1003
1002
1001
1001
1000
1000
999
999
999
998
998
998
997

Ozone (du)

359
364
371
372
372
374
374
373
368
366
367
365
365
366
366
367
371
371
370
369
368
368
367
367

Saturday 22

Waxing Gibbous 82%

15:38

03:40

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:07, Set: 21:04, Transit: 13:06. Moon - Rise: 15:38, Set: 03:40. Civil Dark: 21:47 - 04:24. Nautical Dark: 22:48 - 03:23. Astro Dark: 00:52 - N/A

Total Clouds (% Sky Obscured)

66
66
66
66
34
34
34
34
34
34
38
38
38
38
38
38
65
65
65
65
65
65
61
61

Low Clouds (% Sky Obscured)

42
42
42
42
33
33
33
33
33
33
27
27
27
27
27
27
21
21
21
21
21
21
50
50

Medium Clouds (% Sky Obscured)

58
58
58
58
2
2
2
2
2
2
24
24
24
24
24
24
20
20
20
20
20
20
13
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
51
51
51
51
51
51
29
29

ISS Passover

Visibility (miles)

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

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
Very 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
Very 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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

72
70
67
64
60
56
52
51
52
56
59
60
59
59
62
66
66
60
41
27
23
23
22
22

Precipitation Amount (mm)

0.44
0.34
0.3
0.29
0.29
0.26
0.24
0.24
0.28
0.36
0.38
0.3
0.22
0.2
0.25
0.34
0.35
0.24
0.1
0.04
0.03
0.03
0.03
0.03

Wind Speed/Direction (mph)

22
22
23
24
24
24
24
24
24
24
24
24
24
24
23
22
20
19
19
18
17
17
16
15

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
10
10
11
11
11
11
11
11
10
10
10
10
10
10
9
9
9
9

Feels Like (°C)

5
5
5
5
5
5
6
10
11
11
11
11
11
11
10
6
6
6
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
97
96
95
94
95
96
96
95

Pressure (mb)

997
997
997
997
997
998
998
999
999
1000
1000
1001
1001
1001
1001
1002
1002
1003
1004
1004
1005
1005
1005
1005

Ozone (du)

367
366
365
364
363
363
363
363
363
363
363
363
363
363
364
364
365
366
367
368
369
369
369
369

Sunday 23

Waxing Gibbous 90%

17:03

03:57

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:06, Set: 21:06, Transit: 13:06. Moon - Rise: 17:03, Set: 03:57. Civil Dark: 21:49 - 04:23. Nautical Dark: 22:50 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
61
61
61
69
69
69
69
69
69
91
91
91
91
91
91
97
97
97
97
97
97
61
61

Low Clouds (% Sky Obscured)

50
50
50
50
38
38
38
38
38
38
13
13
13
13
13
13
74
74
74
74
74
74
43
43

Medium Clouds (% Sky Obscured)

13
13
13
13
48
48
48
48
48
48
52
52
52
52
52
52
68
68
68
68
68
68
34
34

High Clouds (% Sky Obscured)

29
29
29
29
31
31
31
31
31
31
85
85
85
85
85
85
85
85
85
85
85
85
13
13

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

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

Precipitation Probability (%)

24
24
22
17
10
6
5
4
4
5
5
5
7
11
11
8
7
3
0
0
0
5
9
18

Precipitation Amount (mm)

0.04
0.05
0.04
0.03
0.03
0.02
0.01
0.01
0.02
0.02
0.02
0.03
0.07
0.11
0.08
0.04
0.02
0.01
0
0
0
0.02
0.06
0.21

Wind Speed/Direction (mph)

15
14
14
14
14
14
14
13
13
12
11
11
12
11
10
8
7
7
7
6
6
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8

Relative Humidity (%)

95
95
96
96
97
92
87
82
78
76
72
69
68
69
72
76
80
84
86
89
92
95
97
98

Pressure (mb)

1005
1005
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1008
1008

Ozone (du)

367
367
368
369
370
372
373
374
374
373
373
374
376
377
375
373
371
372
374
374
371
368
364
362

Forecast for Bath, Bath and North East Somerset, UK (51.36,-2.38)

Generated: 17/05/21 03:59:22. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00