Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Crescent 17%

01:02

17:34

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

Sun - Rise: 05:28, Set: 20:57, Transit: 13:12. Moon - Rise: 01:02, Set: 17:34. Civil Dark: 21:39 - 04:46. Nautical Dark: 22:37 - 03:48. Astro Dark: 00:06 - 02:23

Total Clouds (% Sky Obscured)

44
50
56
83
65
70
89
76
62
67
59
34
43
45
36
24
20
23
27
29
31
31
35
38

Low Clouds (% Sky Obscured)

30
31
29
36
34
35
25
20
16
27
19
17
21
20
18
10
1
3
6
7
6
8
17
23

Medium Clouds (% Sky Obscured)

26
47
52
70
63
57
59
41
40
43
32
31
41
38
33
23
20
23
27
28
28
28
28
26

High Clouds (% Sky Obscured)

10
0
4
41
5
21
74
56
34
35
37
0
0
8
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
9
9
9
10
10
10
10
10
10
10
10
10
10
10
9
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
Very Light Rain
Very Light Rain
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
None
None
None
None
Very Light Rain

Precipitation Probability (%)

3
5
10
11
11
6
6
6
6
6
8
9
10
14
13
13
12
9
6
5
0
4
5
8

Precipitation Amount (mm)

0
0.03
0.09
0.17
0.57
0.08
0.12
0.17
0.07
0.06
0.08
0.08
0.08
0.12
0.1
0.1
0.09
0.06
0.02
0.01
0
0.01
0.01
0.09

Wind Speed/Direction (mph)

5
6
6
6
5
5
4
3
4
4
4
4
4
6
6
5
5
5
4
4
4
5
6
6

Chance of Frost

Temperature (°C)

20
21
21
22
21
21
20
20
19
17
16
15
14
14
13
13
13
12
12
12
14
15
17
17

Feels Like (°C)

20
21
21
22
21
21
20
20
19
17
16
15
14
14
13
13
13
12
12
12
14
15
17
18

Dew Point (°C)

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

Relative Humidity (%)

65
61
60
58
60
57
59
62
67
73
76
79
82
88
92
94
96
98
100
100
99
95
90
87

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

332
332
330
329
328
327
327
328
329
329
330
331
332
335
337
338
338
339
339
341
342
343
343
345

Wednesday 4

Waning Crescent 10%

01:40

18:39

12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
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

Sun - Rise: 05:30, Set: 20:55, Transit: 13:11. Moon - Rise: 01:40, Set: 18:39. Civil Dark: 21:37 - 04:48. Nautical Dark: 22:35 - 03:51. Astro Dark: 00:00 - 02:28

Total Clouds (% Sky Obscured)

38
47
52
53
49
81
34
22
31
70
99
99
100
100
98
100
100
98
97
91
80
56
68
45

Low Clouds (% Sky Obscured)

22
20
37
10
11
69
1
0
1
5
16
9
17
13
0
1
0
0
0
0
23
43
16
10

Medium Clouds (% Sky Obscured)

27
39
36
50
46
45
34
22
31
27
40
41
47
31
28
66
70
78
78
91
73
22
63
41

High Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
59
98
98
100
100
98
100
100
98
89
6
0
0
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
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
6
5
4
4
4
4
4
3
3
4
3
3
5
4
0
0
0
0
0
0
0
0
4

Precipitation Amount (mm)

0.13
0.13
0.11
0.07
0.08
0.07
0.06
0.05
0.02
0.01
0.02
0.01
0.01
0.02
0.01
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
20
21
22
23
23
22
21
19
18
17
16
15
15
14
14
13
13
13
14
15
17
19
20

Feels Like (°C)

18
20
21
22
23
23
22
21
19
18
17
16
15
15
14
14
13
13
13
14
15
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

82
73
65
60
57
58
59
64
68
73
76
79
80
86
89
91
93
95
97
97
93
88
83
78

Pressure (mb)

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

Ozone (du)

346
345
347
349
350
349
346
340
337
335
334
333
333
335
335
336
337
338
338
338
338
339
341
341

Thursday 5

Waning Crescent 5%

02:30

19:36

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
10 Bad
11 Bad

Sun - Rise: 05:31, Set: 20:53, Transit: 13:11. Moon - Rise: 02:30, Set: 19:36. Civil Dark: 21:35 - 04:50. Nautical Dark: 22:32 - 03:53. Astro Dark: 23:55 - 02:33

Total Clouds (% Sky Obscured)

95
96
98
94
98
96
97
95
100
100
88
56
92
91
95
99
98
95
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
31
76
34
4
27
7
8
99
100
86
49
91
88
93
99
98
93
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

41
60
66
76
76
53
77
76
87
76
36
17
27
53
56
40
49
48
18
15
15
15
15
15

High Clouds (% Sky Obscured)

92
94
94
84
93
91
92
87
85
31
11
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
7
8
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
1
1
1
1
1

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
Light Rain
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 (%)

7
19
17
20
16
24
28
31
44
57
47
38
38
36
23
15
16
17
12
20
21
25
26
19

Precipitation Amount (mm)

0.06
0.23
0.2
0.11
0.07
0.09
0.15
0.19
0.42
0.8
0.38
0.3
0.35
0.32
0.14
0.06
0.06
0.07
0.02
0.1
0.12
0.19
0.21
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
16
16
15
15
15
14
14
14
14
15
15
15
15
15
16
17
17

Relative Humidity (%)

75
81
84
87
87
89
88
88
91
93
94
94
94
96
97
98
99
100
100
100
100
100
100
97

Pressure (mb)

1005
1004
1003
1002
1001
1000
999
1000
999
999
998
998
998
997
996
996
996
996
996
995
995
995
996
996

Ozone (du)

341
343
344
345
345
345
345
346
346
347
348
348
349
352
353
352
351
350
350
352
352
353
355
356

Friday 6

Waning Crescent 5%

03:34

20:21

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
10 Bad
11 Bad

Sun - Rise: 05:33, Set: 20:51, Transit: 13:11. Moon - Rise: 03:34, Set: 20:21. Civil Dark: 21:33 - 04:52. Nautical Dark: 22:29 - 03:56. Astro Dark: 23:49 - 02:38

Total Clouds (% Sky Obscured)

100
88
88
88
88
88
88
57
57
57
57
57
57
89
89
89
89
89
89
91
91
91
91
91

Low Clouds (% Sky Obscured)

100
63
63
63
63
63
63
13
13
13
13
13
13
0
0
0
0
0
0
3
3
3
3
3

Medium Clouds (% Sky Obscured)

15
71
71
71
71
71
71
44
44
44
44
44
44
6
6
6
6
6
6
13
13
13
13
13

High Clouds (% Sky Obscured)

0
49
49
49
49
49
49
23
23
23
23
23
23
88
88
88
88
88
88
89
89
89
89
89

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

22
38
26
18
16
13
14
15
18
12
10
7
6
6
0
0
4
16
33
50
47
30
15
22

Precipitation Amount (mm)

0.33
0.51
0.24
0.11
0.1
0.11
0.12
0.11
0.14
0.05
0.05
0.02
0.02
0.01
0
0
0.01
0.12
0.48
0.76
0.48
0.13
0.03
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
18
18
17
16
15
14
14
14
14
13
13
13
13
13
14
15
16
16

Feels Like (°C)

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

Dew Point (°C)

17
18
17
17
17
16
16
15
15
14
13
13
13
13
13
13
13
13
13
13
14
15
16
16

Relative Humidity (%)

91
93
88
86
87
86
84
84
88
90
91
92
93
94
96
98
100
100
100
100
100
100
100
100

Pressure (mb)

996
996
996
997
997
997
997
998
997
997
998
998
998
997
998
997
997
997
997
997
997
997
998
998

Ozone (du)

357
358
358
359
360
360
360
361
357
357
356
355
354
356
356
357
358
358
358
357
357
358
359
358

Saturday 7

Waning Crescent 1%

04:47

20:56

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
10 Bad
11 Bad

Sun - Rise: 05:35, Set: 20:49, Transit: 13:11. Moon - Rise: 04:47, Set: 20:56. Civil Dark: 21:31 - 04:54. Nautical Dark: 22:26 - 03:59. Astro Dark: 23:44 - 02:43

Total Clouds (% Sky Obscured)

91
99
99
99
99
99
99
89
89
89
89
89
89
96
96
96
96
96
96
53
53
53
53
53

Low Clouds (% Sky Obscured)

3
19
19
19
19
19
19
7
7
7
7
7
7
1
1
1
1
1
1
33
33
33
33
33

Medium Clouds (% Sky Obscured)

13
94
94
94
94
94
94
48
48
48
48
48
48
96
96
96
96
96
96
37
37
37
37
37

High Clouds (% Sky Obscured)

89
98
98
98
98
98
98
83
83
83
83
83
83
7
7
7
7
7
7
0
0
0
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
9
9
9
10

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
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

Precipitation Probability (%)

26
17
19
21
21
26
29
20
12
7
0
0
0
6
9
17
22
19
13
33
30
26
22
18

Precipitation Amount (mm)

0.12
0.08
0.1
0.13
0.16
0.17
0.18
0.08
0.02
0.01
0
0
0
0.01
0.03
0.1
0.16
0.12
0.06
0.13
0.12
0.12
0.12
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
19
19
18
17
17
16
16
15
15
14
14
14
14
13
14
14
14
15
15
16
16
17

Feels Like (°C)

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

Dew Point (°C)

17
17
17
17
17
16
16
15
15
14
14
14
13
13
14
13
14
14
14
15
15
16
16
17

Relative Humidity (%)

97
90
86
87
90
94
95
95
95
95
95
95
96
97
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

997
998
998
998
998
998
998
999
1000
1001
1001
1002
1002
1000
1000
1000
1000
1000
1001
1000
1001
1001
1002
1003

Ozone (du)

357
355
355
355
355
354
353
352
351
352
353
354
354
353
353
352
352
351
350
350
350
350
350
350

Sunday 8

New Moon 0%

06:06

21:23

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

Sun - Rise: 05:36, Set: 20:47, Transit: 13:11. Moon - Rise: 06:06, Set: 21:23. Civil Dark: 21:28 - 04:55. Nautical Dark: 22:23 - 04:01. Astro Dark: 23:39 - 02:47

Total Clouds (% Sky Obscured)

53
45
45
45
45
45
45
18
18
18
18
18
18
23
23
23
23
23
23
47
47
47
47
47

Low Clouds (% Sky Obscured)

33
36
36
36
36
36
36
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

37
31
31
31
31
31
31
4
4
4
4
4
4
7
7
7
7
7
7
18
18
18
18
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
15
15
15
15
15
17
17
17
17
17
17
35
35
35
35
35

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
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 (%)

14
11
11
13
11
9
8
8
9
14
23
23
22
22
17
13
11
9
9
9
9
10
9
8

Precipitation Amount (mm)

0.07
0.06
0.06
0.08
0.09
0.06
0.03
0.03
0.03
0.06
0.1
0.14
0.19
0.2
0.15
0.09
0.07
0.06
0.06
0.06
0.06
0.06
0.05
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
20
20
20
19
18
17
16
16
15
15
15
14
14
14
14
14
15
15
16
17
18

Feels Like (°C)

18
19
20
20
20
20
19
18
17
16
16
15
15
15
15
15
15
15
15
15
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

100
100
93
87
84
84
86
88
90
92
94
97
99
100
100
100
100
100
100
100
100
100
100
99

Pressure (mb)

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

Ozone (du)

350
349
349
348
347
345
343
343
344
345
346
345
343
342
340
339
338
336
334
332
330
329
328
327

Monday 9

Waxing Crescent 1%

07:27

21:43

12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
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

Sun - Rise: 05:38, Set: 20:45, Transit: 13:11. Moon - Rise: 07:27, Set: 21:43. Civil Dark: 21:26 - 04:57. Nautical Dark: 22:21 - 04:04. Astro Dark: 23:34 - 02:52

Total Clouds (% Sky Obscured)

47
24
24
24
24
24
24
96
96
96
96
96
96
94
94
94
94
94
94
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
16
16
16
16
16
16
32
32
32
32
32
32
2
2
2
2
2
2
20
20
20
20
20

Medium Clouds (% Sky Obscured)

18
2
2
2
2
2
2
11
11
11
11
11
11
28
28
28
28
28
28
99
99
99
99
99

High Clouds (% Sky Obscured)

35
9
9
9
9
9
9
95
95
95
95
95
95
91
91
91
91
91
91
96
96
96
96
96

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

5
4
3
4
6
6
0
0
0
5
6
5
0
0
0
0
0
0
3
4
6
8
9
6

Precipitation Amount (mm)

0.02
0.01
0.01
0.02
0.03
0.02
0
0
0
0.01
0.02
0.01
0
0
0
0
0
0
0.01
0.01
0.02
0.04
0.04
0.02

Wind Speed/Direction (mph)

15
16
16
15
15
14
13
12
11
9
8
7
7
6
6
5
5
4
4
4
6
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
79
75
73
75
79
83
86
90
93
96
96
97
98
100
100
100
100
100
100
100
100
100
99

Pressure (mb)

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

Ozone (du)

326
325
324
322
320
319
318
318
318
318
318
318
316
315
314
313
312
313
313
314
314
313
313
312

Forecast for Sheffield, South Yorkshire, UK (53.38,-1.47)

Generated: 03/08/21 17:56:51. Forecast: 03/08/21 to 09/08/21. Timezone: UTC+1.00