Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 10

Waxing Crescent 10%

10:28

18:54

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

Sun - Rise: 08:02, Set: 15:57, Transit: 12:00. Moon - Rise: 10:28, Set: 18:54. Civil Dark: 16:37 - 07:22. Nautical Dark: 17:20 - 06:39. Astro Dark: 18:01 - 05:58

Total Clouds (% Sky Obscured)

29
44
49
47
80
94
70
48
32
31
2
9
31
59
88
90
67
21
13
80
90
68
84
88

Low Clouds (% Sky Obscured)

29
44
47
44
44
71
27
21
23
17
2
9
31
57
32
6
2
1
0
0
0
5
38
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
18
0
0
2
6
84
90
67
5
6
79
89
63
84
40

High Clouds (% Sky Obscured)

0
0
6
7
64
79
63
34
19
0
0
0
0
0
0
0
0
17
8
3
7
13
2
0

ISS Passover

Visibility (miles)

10
8
10
10
8
10
10
10
10
8
10
6
8
8
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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
4
3
3
4
4
5
5
5
4
4
3
3
3
3
3
2
2
2

Relative Humidity (%)

80
89
86
83
85
83
82
83
85
89
86
82
76
75
73
73
76
81
84
85
85
86
87
88

Pressure (mb)

1024
1024
1025
1025
1026
1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

301
301
299
297
296
295
294
293
293
293
293
292
294
293
292
292
291
291
290
290
289
289
288
288

Tuesday 11

Waxing Crescent 17%

11:06

19:53

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

Sun - Rise: 08:03, Set: 15:57, Transit: 12:00. Moon - Rise: 11:06, Set: 19:53. Civil Dark: 16:37 - 07:23. Nautical Dark: 17:20 - 06:40. Astro Dark: 18:01 - 05:59

Total Clouds (% Sky Obscured)

96
100
95
95
91
52
47
100
98
96
63
48
44
23
27
86
98
83
94
96
96
98
99
99

Low Clouds (% Sky Obscured)

95
100
95
95
91
52
47
100
98
96
63
37
21
23
23
86
98
77
68
31
32
51
41
35

Medium Clouds (% Sky Obscured)

55
49
27
15
9
7
6
8
9
9
9
7
9
5
9
27
68
52
20
21
34
23
30
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
19
29
1
2
4
9
19
79
95
95
98
98
98

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

Precipitation Probability (%)

0
0
3
2
3
3
4
3
0
0
0
0
5
6
0
0
0
0
7
9
13
16
15
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
87
88
88
90
91
92
93
91
88
84
81
79
79
81
85
86
86
86
86
85
85

Pressure (mb)

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

Ozone (du)

287
287
286
286
286
285
285
284
283
282
282
283
284
283
282
281
281
280
280
281
283
284
285
286

Wednesday 12

Waxing Crescent 25%

11:38

20:56

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

Sun - Rise: 08:04, Set: 15:57, Transit: 12:01. Moon - Rise: 11:38, Set: 20:56. Civil Dark: 16:37 - 07:24. Nautical Dark: 17:20 - 06:41. Astro Dark: 18:01 - 06:00

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
85
29
20
12
3
2
6
56
77
46
19
68
65
59
57
86
92
94
96
99
98
86
46

Medium Clouds (% Sky Obscured)

31
20
45
85
99
100
99
98
98
98
98
98
97
95
93
98
100
98
94
72
80
90
89
84

High Clouds (% Sky Obscured)

98
96
97
98
96
91
7
0
0
0
0
0
0
0
0
0
0
1
7
0
28
98
98
99

ISS Passover

Visibility (miles)

10
9
5
2
1
1
2
6
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
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

14
18
27
29
26
19
12
6
0
0
0
13
14
11
0
0
0
0
0
0
2
3
5
11

Precipitation Amount (mm)

0.05
0.09
0.19
0.25
0.2
0.1
0.04
0.01
0
0
0
0.02
0.04
0.02
0
0
0
0
0
0
0.01
0.02
0.04
0.08

Wind Speed/Direction (mph)

11
11
10
10
9
9
9
9
10
11
12
12
13
13
13
13
13
13
13
14
15
15
16
16

Chance of Frost

Temperature (°C)

7
7
7
7
6
6
5
5
5
5
5
6
6
7
7
6
6
5
4
4
4
4
4
4

Feels Like (°C)

4
4
4
4
3
3
2
2
2
2
2
2
3
3
3
3
2
1
-0
-0
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

85
85
87
88
88
89
91
91
91
91
88
84
81
77
75
74
74
74
74
73
73
74
76
78

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1017
1017
1016
1015
1015

Ozone (du)

286
286
287
288
291
295
300
304
309
312
313
312
311
310
308
307
306
305
305
304
303
303
303
303

Thursday 13

Waxing Crescent 34%

12:04

22:00

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

Sun - Rise: 08:05, Set: 15:57, Transit: 12:01. Moon - Rise: 12:04, Set: 22:00. Civil Dark: 16:37 - 07:25. Nautical Dark: 17:20 - 06:42. Astro Dark: 18:01 - 06:01

Total Clouds (% Sky Obscured)

99
90
66
56
93
94
93
93
93
93
93
93
100
100
100
100
100
100
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

48
45
42
36
27
28
35
35
35
35
35
35
88
88
88
88
88
88
13
13
13
13
13
13

Medium Clouds (% Sky Obscured)

48
62
53
7
1
0
0
0
0
0
0
0
50
50
50
50
50
50
91
91
91
91
91
91

High Clouds (% Sky Obscured)

98
66
14
36
91
91
91
91
91
91
91
91
99
99
99
99
99
99
73
73
73
73
73
73

ISS Passover

Visibility (miles)

10
10
7
4
2
2
2
1
1
1
1
1
1
1
1
1
1
0
1
5
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
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 (%)

18
20
19
18
18
17
18
17
16
17
19
18
17
18
23
30
34
35
28
24
23
18
12
6

Precipitation Amount (mm)

0.11
0.13
0.13
0.13
0.16
0.19
0.21
0.22
0.21
0.2
0.19
0.18
0.19
0.24
0.32
0.35
0.29
0.2
0.14
0.12
0.11
0.1
0.07
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
3
2
2
2
2
2
3
3
3
3
3
2
2
2
2
2
2
1

Feels Like (°C)

-1
-1
-1
-2
-2
-2
-3
-3
-3
-4
-4
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3

Dew Point (°C)

1
1
1
1
1
0
-0
-0
-0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

79
81
83
83
83
82
82
82
83
85
84
81
79
77
76
76
79
82
83
83
83
83
83
84

Pressure (mb)

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

Ozone (du)

304
305
306
308
309
312
314
317
321
324
327
330
333
336
338
343
351
361
368
370
370
371
374
378

Friday 14

Waxing Crescent 43%

12:27

23:05

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

Sun - Rise: 08:06, Set: 15:57, Transit: 12:01. Moon - Rise: 12:27, Set: 23:05. Civil Dark: 16:38 - 07:25. Nautical Dark: 17:21 - 06:42. Astro Dark: 18:01 - 06:02

Total Clouds (% Sky Obscured)

34
34
34
34
34
34
68
68
68
68
68
68
26
26
26
26
26
26
69
69
69
69
69
69

Low Clouds (% Sky Obscured)

34
34
34
34
34
34
68
68
68
68
68
68
26
26
26
26
26
26
6
6
6
6
6
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
68
68
68
68
68
68

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)

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 (%)

3
3
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.02
0.02
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
84
83
83
82
83
84
85
86
85
83
79
77
74
75
79
86
89
91
89
89
88
87

Pressure (mb)

1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

380
377
371
364
356
348
340
336
333
330
327
324
321
319
318
316
314
312
310
307
305
302
299
295

Saturday 15

First Quarter 53%

12:48

No Set

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

Sun - Rise: 08:06, Set: 15:58, Transit: 12:02. Moon - Rise: 12:48, Set: No Set. Civil Dark: 16:38 - 07:26. Nautical Dark: 17:21 - 06:43. Astro Dark: 18:02 - 06:02

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
15
15
15
15
15
15
100
100
100
100
100
100
97
97
97
97
97
97

Medium Clouds (% Sky Obscured)

95
95
95
95
95
95
100
100
100
100
100
100
98
98
98
98
98
98
47
47
47
47
47
47

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
23
23
23
23
23
23

ISS Passover

Visibility (miles)

10
10
8
5
5
5
7
9
10
10
10
10
10
10
8
7
7
8
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
Very Light Rain
Very Light Rain
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
36
65
71
72
70
60
45
35
36
39
61
71
71
66
55
40
31
25
25
28
30
37
46

Precipitation Amount (mm)

0
0.06
0.32
0.61
0.61
0.44
0.3
0.22
0.14
0.11
0.12
0.17
0.23
0.32
0.44
0.51
0.45
0.43
0.47
0.46
0.42
0.39
0.33
0.28

Wind Speed/Direction (mph)

15
16
18
19
19
18
17
18
20
21
22
23
23
24
24
24
22
19
16
15
14
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
2
3
4
5
7
11
11
10
6
4
4
3
3
3
3
2
2
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
86
86
85
83
81
80
80
82
84
84
83
81
78
77
77
77
78
80
82
83
84

Pressure (mb)

1021
1020
1019
1018
1017
1016
1016
1016
1016
1015
1014
1013
1012
1012
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

292
288
285
282
280
279
277
276
275
275
274
274
274
275
277
279
282
285
289
297
306
314
319
322

Sunday 16

Waxing Gibbous 63%

13:08

00:12

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

Sun - Rise: 08:07, Set: 15:58, Transit: 12:02. Moon - Rise: 13:08, Set: 00:12. Civil Dark: 16:38 - 07:27. Nautical Dark: 17:21 - 06:44. Astro Dark: 18:02 - 06:03

Total Clouds (% Sky Obscured)

81
81
81
81
81
81
53
53
53
53
53
53
100
100
100
100
100
100
47
47
47
47
47
47

Low Clouds (% Sky Obscured)

80
80
80
80
80
80
12
12
12
12
12
12
28
28
28
28
28
28
38
38
38
38
38
38

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
3
3
3
3
3
3
100
100
100
100
100
100
23
23
23
23
23
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
48
48
48
48
48
48
99
99
99
99
99
99
14
14
14
14
14
14

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
5
2
1
0

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
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

47
33
26
21
18
13
10
8
8
0
0
0
9
11
16
26
32
26
34
50
60
68
74
74

Precipitation Amount (mm)

0.28
0.3
0.35
0.37
0.34
0.27
0.19
0.1
0.02
0
0
0
0.01
0.01
0.01
0.02
0.03
0.04
0.08
0.18
0.41
0.71
1.18
1.88

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
5
5
5
5
4
4
4
4
5
5
5
6
6
6
7
7
8
8
8
8
8

Feels Like (°C)

2
2
2
1
1
1
1
1
-0
-0
-0
1
1
2
2
2
3
3
3
3
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
85
85
84
83
84
85
87
87
86
85
86
86
85
85
85
85
84
83
84
84
86

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014

Ozone (du)

325
329
333
335
334
331
328
327
326
324
319
313
307
304
301
298
295
291
289
290
293
298
305
314

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 10/12/18 13:40:43. Forecast: 10/12/18 to 16/12/18. Timezone: UTC+0.00