Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:36

07:07

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

Sun - Rise: 06:59, Set: 19:16, Transit: 13:06. Moon - Rise: 19:36, Set: 07:07. Civil Dark: 19:48 - 06:27. Nautical Dark: 20:27 - 05:48. Astro Dark: 21:08 - 05:08

Total Clouds (% Sky Obscured)

16
14
44
4
0
2
74
100
98
90
40
98
25
81
38
59
36
13
93
96
95
94
95
95

Low Clouds (% Sky Obscured)

16
14
44
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
15

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
2
74
100
98
90
40
98
25
81
38
59
36
13
93
96
95
94
95
93

7Timer Cloud Cover

Alternative Forecast % Cloud Cover

31
28
29
43
27
18
15
21
64
69
78
70
71
62
57
79
65
45
39
22
46
62
63
67

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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
Very Light Rain
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

Precipitation Probability (%)

0
0
0
0
0
8
11
14
15
18
18
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.13
0.14
0.15
0.16
0.16
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
20
19
17
15
14
13
13
12
12
11
11
10
10
9
9
10
12
14
16
18
19

Feels Like (°C)

21
21
21
20
19
17
15
14
13
13
12
12
11
11
10
8
8
7
8
12
14
16
18
19

Dew Point (°C)

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

Relative Humidity (%)

55
53
54
58
64
71
78
82
87
93
96
95
96
96
97
98
97
97
94
88
80
74
68
65

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1031
1031
1030

Ozone (du)

303
300
297
295
294
296
294
294
294
293
293
289
289
288
288
288
287
284
284
283
283
281
280
277

Tuesday 21

Full Moon 99%

19:51

08:20

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 07:01, Set: 19:13, Transit: 13:06. Moon - Rise: 19:51, Set: 08:20. Civil Dark: 19:46 - 06:28. Nautical Dark: 20:25 - 05:50. Astro Dark: 21:05 - 05:10

Total Clouds (% Sky Obscured)

96
100
100
99
98
99
99
98
91
76
58
43
52
89
100
100
100
100
100
96
100
90
85
94

Low Clouds (% Sky Obscured)

66
100
98
76
80
72
93
91
72
36
14
16
44
62
100
100
100
100
100
96
100
90
85
94

Medium 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

High Clouds (% Sky Obscured)

89
97
95
97
95
97
71
55
69
63
51
34
30
69
53
33
30
13
6
2
0
0
0
0

7Timer Cloud Cover

Alternative Forecast % Cloud Cover

85
85
82
85
75
96
96
86
90
87
69
80
81
88
84
80
76
86
70
64
53
27
25
31

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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
1
19
12
100
100
100
100
100
11
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)

3
4
4
5
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

20
21
21
20
19
17
16
15
14
13
12
12
12
11
11
10
10
10
11
12
14
16
18
19

Feels Like (°C)

20
21
21
20
19
17
16
15
14
13
12
12
12
11
11
10
10
10
11
12
14
16
18
19

Dew Point (°C)

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

Relative Humidity (%)

61
60
61
65
70
74
79
84
86
92
96
99
100
100
100
100
100
100
97
91
87
79
73
64

Pressure (mb)

1030
1030
1029
1029
1029
1029
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028

Ozone (du)

277
277
277
276
276
274
274
274
274
274
273
275
275
275
275
275
275
275
275
275
275
274
273
275

Wednesday 22

Waning Gibbous 96%

20:05

09:31

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

Sun - Rise: 07:03, Set: 19:11, Transit: 13:06. Moon - Rise: 20:05, Set: 09:31. Civil Dark: 19:44 - 06:30. Nautical Dark: 20:22 - 05:51. Astro Dark: 21:02 - 05:11

Total Clouds (% Sky Obscured)

91
93
90
87
75
41
11
7
43
29
3
23
38
22
20
27
24
84
84
84
84
84
84
100

Low Clouds (% Sky Obscured)

91
93
90
87
75
41
11
7
34
8
3
23
38
22
20
27
24
84
84
84
84
84
84
100

Medium 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
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
14
23
0
0
0
0
0
0
0
2
2
2
2
2
2
0

7Timer Cloud Cover

Alternative Forecast % Cloud Cover

45
43
48
37
30
33
22
28
30
43
46
62
64
56
65
61
67
80
66
89
95
97
95
98

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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
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
4
3
4
4
4
4
5
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
62
66
72
76
81
86
88
93
96
98
100
100
100
100
100
97
96
92
90
84
80
73

Pressure (mb)

1028
1027
1026
1026
1026
1025
1026
1026
1026
1025
1025
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1021

Ozone (du)

275
275
275
275
276
272
272
271
272
272
273
275
277
276
275
275
275
278
278
277
276
275
274
273

Thursday 23

Waning Gibbous 91%

20:20

10:41

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
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
08 Good
09 Good
10 Good
11 Good
12 Good
13 Bad

Sun - Rise: 07:04, Set: 19:09, Transit: 13:05. Moon - Rise: 20:20, Set: 10:41. Civil Dark: 19:41 - 06:32. Nautical Dark: 20:20 - 05:53. Astro Dark: 21:00 - 05:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
5
5
5
5
5
5
1
1
1
1
1
1
7
7
7
7
7
7
93

Low Clouds (% Sky Obscured)

100
100
100
100
100
5
5
5
5
5
5
1
1
1
1
1
1
7
7
7
7
7
7
93

Medium Clouds (% Sky Obscured)

27
27
27
27
27
0
0
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

7Timer Cloud Cover

Alternative Forecast % Cloud Cover

95
89
82
79
71
70
73
64
58
58
51
52
29
27
27
26
26
18
19
31
50
62
63
33

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
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)

0.02
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)

13
14
14
13
11
10
8
7
7
6
5
6
5
5
5
5
5
3
3
5
6
7
8
9

Chance of Frost

Temperature (°C)

20
21
20
19
18
16
15
14
13
13
12
12
12
12
12
11
11
10
11
13
16
17
19
20

Feels Like (°C)

20
21
20
19
18
16
15
14
13
13
12
12
12
12
12
11
11
10
11
13
16
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

67
66
67
72
78
82
87
87
89
93
96
98
99
100
100
100
100
98
95
92
87
82
77
70

Pressure (mb)

1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1018
1018
1018
1018
1018
1017
1016

Ozone (du)

274
275
275
275
275
275
275
275
274
275
275
272
272
271
271
270
268
271
272
273
273
272
272
272

Friday 24

Waning Gibbous 84%

20:37

11:51

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
12 Bad
13 Bad

Sun - Rise: 07:06, Set: 19:07, Transit: 13:05. Moon - Rise: 20:37, Set: 11:51. Civil Dark: 19:39 - 06:33. Nautical Dark: 20:18 - 05:55. Astro Dark: 20:57 - 05:15

Total Clouds (% Sky Obscured)

93
93
93
93
93
79
79
79
79
79
79
100
100
100
100
100
100
100
100
100
100
100
100
84

Low Clouds (% Sky Obscured)

93
93
93
93
93
78
78
78
78
78
78
100
100
100
100
100
100
100
100
100
100
100
100
84

Medium 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

High Clouds (% Sky Obscured)

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

7Timer Cloud Cover

Alternative Forecast % Cloud Cover

64
64
61
61
57
58
11
18
30
41
49
73
86
95
100
100
100
100
100
100
97
90
79
67

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
2
2
2
0
0
0
0
0
0
0
0
2
2
2
3
3
3
5
5
4
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
67
68
74
81
85
90
92
93
98
100
100
100
100
100
99
98
97
96
93
89
85
79
72

Pressure (mb)

1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

271
270
270
270
271
268
268
267
267
267
266
267
267
266
266
266
267
268
268
268
268
269
271
272

Saturday 25

Waning Gibbous 76%

20:57

13:00

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
12 Bad
13 Bad

Sun - Rise: 07:07, Set: 19:04, Transit: 13:05. Moon - Rise: 20:57, Set: 13:00. Civil Dark: 19:37 - 06:35. Nautical Dark: 20:15 - 05:56. Astro Dark: 20:55 - 05:17

Total Clouds (% Sky Obscured)

84
84
84
84
84
63
63
63
63
63
63
96
96
96
96
96
96
97
97
97
97
97
97
63

Low Clouds (% Sky Obscured)

84
84
84
84
84
6
6
6
6
6
6
27
27
27
27
27
27
97
97
97
97
97
97
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
45
45
45
45
45
45
34

High Clouds (% Sky Obscured)

0
0
0
0
0
61
61
61
61
61
61
95
95
95
95
95
95
2
2
2
2
2
2
38

7Timer Cloud Cover

Alternative Forecast % Cloud Cover

50
32
21
22
30
41
55
72
84
86
84
84
88
95
100
100
100
100
100
100
100
100
100
100

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
7
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
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
7
19
32
38
42
43
37
25
16
8
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.1
0.22
0.29
0.34
0.34
0.32
0.27
0.21
0.11
0.03
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
70
76
81
85
89
92
93
98
99
100
100
100
100
100
100
100
100
100
96
90
82
74

Pressure (mb)

1014
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

274
275
276
277
278
279
279
279
278
278
277
276
275
274
273
274
275
276
275
273
272
272
273
274

Sunday 26

Waning Gibbous 68%

21:21

14:07

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 OK
07 Good
08 Good
09 Good
10 OK
11 Good
12 Good
13 OK

Sun - Rise: 07:09, Set: 19:02, Transit: 13:04. Moon - Rise: 21:21, Set: 14:07. Civil Dark: 19:35 - 06:36. Nautical Dark: 20:13 - 05:58. Astro Dark: 20:53 - 05:19

Total Clouds (% Sky Obscured)

63
63
63
63
63
100
100
100
100
100
100
43
43
43
43
43
43
0
0
0
0
0
0
31

Low Clouds (% Sky Obscured)

18
18
18
18
18
94
94
94
94
94
94
2
2
2
2
2
2
0
0
0
0
0
0
17

Medium Clouds (% Sky Obscured)

34
34
34
34
34
27
27
27
27
27
27
42
42
42
42
42
42
0
0
0
0
0
0
26

High Clouds (% Sky Obscured)

38
38
38
38
38
99
99
99
99
99
99
0
0
0
0
0
0
0
0
0
0
0
0
0

7Timer Cloud Cover

Alternative Forecast % Cloud Cover

73
36
10
3
5
8
6
3
2
2
4
5
4
4
4
5
7
11
17
24
32
38
44
54

7Timer Seeing

7Timer Lifted Index

7Timer Transparency

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

Precipitation Probability (%)

0
0
0
0
0
0
3
8
13
11
8
6
5
5
5
5
0
0
5
13
15
12
8
5

Precipitation Amount (mm)

0
0
0
0
0
0
0.02
0.07
0.12
0.09
0.04
0.02
0.02
0.02
0.03
0.01
0
0
0.02
0.1
0.18
0.16
0.1
0.05

Wind Speed/Direction (mph)

15
15
15
14
11
10
9
8
8
8
8
8
8
8
9
9
9
9
9
9
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
13
13
13
14
14
13
13
13
14
13
13
13
13
13
13
13
13
14
14
14
14
14

Relative Humidity (%)

70
70
71
76
81
86
90
92
95
99
100
100
100
100
100
100
100
100
98
95
90
85
79
75

Pressure (mb)

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

Ozone (du)

275
276
277
278
279
281
282
283
284
285
285
285
284
283
281
280
278
277
277
277
277
277
276
276

Welcome to Clear Outside

Forecast for FLO HQ, Exeter, Devon, UK (50.70,-3.52)

Generated: 20/09/21 14:49:00. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00