Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

Full Moon 99%

19:55

06:50

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

Sun - Rise: 06:29, Set: 19:41, Transit: 13:05. Moon - Rise: 19:55, Set: 06:50. Civil Dark: 20:09 - 06:01. Nautical Dark: 20:43 - 05:27. Astro Dark: 21:18 - 04:52

Total Clouds (% Sky Obscured)

66
90
56
46
41
47
52
44
44
74
84
73
29
11
22
39
38
50
54
22
18
17
15
17

Low Clouds (% Sky Obscured)

16
17
18
16
14
15
13
13
9
8
11
18
14
5
22
39
38
50
54
8
7
8
7
8

Medium Clouds (% Sky Obscured)

0
0
0
12
37
39
25
0
21
23
0
0
0
0
0
6
0
0
6
0
3
4
0
0

High Clouds (% Sky Obscured)

66
62
56
46
14
8
1
2
2
26
69
46
5
2
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
9
9
9
9
9
9
9

Fog (%)

0
73
90
51
39
27
10
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
12
2
1
26
37
29
15
6
3
0
2
13
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
3
2
2
2
3
5
7
7
6
6
6
7
6
6
5
4
4
3
4
4
4
3
3

Chance of Frost

Temperature (°C)

19
19
19
20
21
22
23
24
24
25
26
27
28
27
27
26
23
22
21
19
19
19
18
18

Feels Like (°C)

22
23
22
21
24
26
26
26
27
27
27
28
28
30
29
26
24
22
21
20
22
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
92
88
83
79
72
66
60
55
54
52
57
66
73
73
73
73
75
81
84
85
83

Pressure (mb)

1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021

Ozone (du)

305
306
308
309
310
310
308
308
308
307
308
308
308
307
308
308
307
308
307
305
304
305
304
305

Saturday 29

Waning Gibbous 95%

20:17

07:55

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

Sun - Rise: 06:30, Set: 19:40, Transit: 13:05. Moon - Rise: 20:17, Set: 07:55. Civil Dark: 20:08 - 06:02. Nautical Dark: 20:41 - 05:28. Astro Dark: 21:16 - 04:54

Total Clouds (% Sky Obscured)

14
19
20
20
18
16
6
0
0
0
0
0
0
0
0
2
5
0
40
32
63
72
51
40

Low Clouds (% Sky Obscured)

7
9
7
7
6
5
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
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
2
7
23
38
30
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
2
5
0
37
16
30
72
49
7

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)

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

Chance of Frost

Temperature (°C)

17
16
16
16
17
20
21
22
24
25
26
27
27
27
26
25
22
20
19
19
18
18
18
18

Feels Like (°C)

19
18
17
17
18
21
23
24
26
28
29
30
30
29
30
28
24
22
22
20
20
19
20
21

Dew Point (°C)

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

Relative Humidity (%)

83
83
79
78
73
64
58
54
52
51
51
52
54
57
63
71
72
76
81
81
80
82
88
90

Pressure (mb)

1022
1022
1022
1023
1023
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1021
1022
1022
1023
1022
1022
1022
1022

Ozone (du)

307
310
310
311
311
311
310
310
309
308
308
308
310
310
308
307
305
304
304
304
302
301
299
299

Sunday 30

Waning Gibbous 89%

20:40

09:02

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
03 Bad

Sun - Rise: 06:31, Set: 19:38, Transit: 13:05. Moon - Rise: 20:40, Set: 09:02. Civil Dark: 20:06 - 06:03. Nautical Dark: 20:39 - 05:30. Astro Dark: 21:14 - 04:55

Total Clouds (% Sky Obscured)

91
90
96
95
99
83
99
99
78
55
59
92
99
97
90
66
56
63
99
62
96
93
95
97

Low Clouds (% Sky Obscured)

68
85
96
90
94
62
90
87
35
22
7
78
89
92
84
36
11
10
41
9
13
15
17
17

Medium Clouds (% Sky Obscured)

82
41
44
51
55
46
44
45
49
20
37
45
46
47
36
51
56
63
99
56
69
60
53
87

High Clouds (% Sky Obscured)

7
2
3
2
7
31
59
70
20
6
2
7
20
4
1
1
1
4
2
2
16
25
46
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
2
9
7
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
Very Light Rain
Light Rain
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
30
55
59
22
33
54
44
15
3
7
11
12
9
21
15
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.6
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
19
20
21
23
25
26
27
28
29
28
28
27
26
25
24
24
24
23
22
22
22

Feels Like (°C)

21
19
19
20
21
23
24
26
27
29
30
32
30
30
29
29
29
28
27
26
27
25
24
24

Dew Point (°C)

17
17
17
18
18
20
20
21
20
19
20
20
22
24
24
24
23
22
22
21
21
20
20
20

Relative Humidity (%)

93
93
95
93
91
89
83
78
70
63
61
60
68
78
81
84
86
88
88
85
88
87
88
88

Pressure (mb)

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

Ozone (du)

298
299
299
298
298
299
298
297
296
296
296
294
291
289
291
292
293
294
294
293
293
293
292
292

Monday 31

Waning Gibbous 81%

21:05

10:11

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
03 Bad

Sun - Rise: 06:32, Set: 19:37, Transit: 13:04. Moon - Rise: 21:05, Set: 10:11. Civil Dark: 20:05 - 06:04. Nautical Dark: 20:38 - 05:31. Astro Dark: 21:12 - 04:56

Total Clouds (% Sky Obscured)

98
94
89
86
86
86
86
90
95
100
99
88
100
97
98
97
96
95
93
90
88
85
80
78

Low Clouds (% Sky Obscured)

85
31
73
23
73
66
38
39
36
31
29
24
38
27
50
49
14
12
42
31
26
39
2
1

Medium Clouds (% Sky Obscured)

87
84
82
63
83
84
41
51
50
38
46
57
69
86
84
91
85
89
89
89
88
80
75
72

High Clouds (% Sky Obscured)

87
66
45
24
24
16
24
49
76
100
98
87
99
74
67
53
56
49
37
15
21
14
9
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

31
19
14
21
11
0
0
0
0
0
3
6
4
7
16
6
7
13
10
6
2
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
3
3
2
1
2
2
3
3
3
3
3
3
3
3
3
3
3
2
3
3
3
2
2

Chance of Frost

Temperature (°C)

21
21
21
21
22
23
24
26
27
27
28
28
28
28
27
26
25
24
23
22
22
22
21
21

Feels Like (°C)

23
22
22
23
23
24
26
28
28
29
30
30
30
30
30
28
27
25
25
24
24
23
24
23

Dew Point (°C)

19
19
19
19
19
20
21
20
19
19
20
18
17
18
20
21
19
19
19
18
18
18
18
18

Relative Humidity (%)

87
88
88
87
85
87
84
69
64
61
59
54
51
57
67
73
69
73
74
76
76
79
83
81

Pressure (mb)

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

Ozone (du)

292
291
292
291
290
290
289
289
287
286
285
285
285
285
285
286
286
286
286
285
284
284
284
283

Tuesday 1

Waning Gibbous 81%

21:34

11:23

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
03 Bad

Sun - Rise: 06:33, Set: 19:35, Transit: 13:04. Moon - Rise: 21:34, Set: 11:23. Civil Dark: 20:03 - 06:05. Nautical Dark: 20:36 - 05:32. Astro Dark: 21:10 - 04:57

Total Clouds (% Sky Obscured)

74
74
75
76
81
84
88
88
96
100
89
79
68
65
60
49
66
82
97
98
99
100
100
99

Low Clouds (% Sky Obscured)

3
9
6
12
12
12
11
13
14
16
15
28
9
9
8
8
6
3
0
5
8
13
17
19

Medium Clouds (% Sky Obscured)

32
48
33
76
27
24
27
39
53
25
74
39
31
61
31
8
28
49
71
58
45
31
38
45

High Clouds (% Sky Obscured)

21
19
17
25
45
62
69
69
92
100
87
70
60
63
60
45
51
55
56
69
83
100
99
99

ISS Passover

Visibility (miles)

9
9
9
5
9
8
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
7
39
33
26
40
3
5
5
3
5
6
2
3
2
1
5
5
3
13
17
17
27
24

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)

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

Chance of Frost

Temperature (°C)

21
20
21
21
21
23
25
26
27
28
29
29
30
30
28
27
26
25
25
25
24
24
23
23

Feels Like (°C)

23
23
23
23
24
25
27
28
29
29
29
31
31
31
31
30
30
29
28
28
28
29
29
25

Dew Point (°C)

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

Relative Humidity (%)

85
88
89
92
91
84
82
76
67
62
57
72
60
62
69
71
73
72
71
71
73
75
78
77

Pressure (mb)

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

Ozone (du)

284
283
283
283
283
282
282
282
282
283
285
284
285
284
283
284
285
284
284
283
282
282
281
281

Wednesday 2

Waning Gibbous 72%

22:10

12:37

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 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad

Sun - Rise: 06:34, Set: 19:34, Transit: 13:04. Moon - Rise: 22:10, Set: 12:37. Civil Dark: 20:01 - 06:06. Nautical Dark: 20:34 - 05:33. Astro Dark: 21:09 - 04:59

Total Clouds (% Sky Obscured)

98
88
76
60
61
58
60
55
49
44
56
65
60
53
52
55
53
40
27
27
29
30
46
64

Low Clouds (% Sky Obscured)

29
24
12
0
1
2
2
8
13
14
12
13
10
9
9
9
14
16
17
20
24
28
21
16

Medium Clouds (% Sky Obscured)

52
53
52
53
53
55
57
42
27
13
12
11
10
10
11
15
12
9
7
5
3
0
0
0

High Clouds (% Sky Obscured)

98
88
76
55
33
13
10
11
12
22
34
43
42
40
41
42
29
14
2
2
2
1
23
45

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

Precipitation Probability (%)

11
11
7
2
6
6
2
16
22
27
51
68
80
72
58
24
37
30
8
13
16
16
36
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
24
24
24
25
27
29
30
31
32
31
31
30
29
28
26
26
25
25
24
24
24
23

Feels Like (°C)

25
26
25
26
26
27
28
29
29
30
31
35
35
34
34
34
34
29
30
30
30
29
29
28

Dew Point (°C)

19
19
19
20
20
20
21
22
22
22
22
22
22
22
22
22
21
21
20
19
18
18
18
19

Relative Humidity (%)

77
74
75
77
78
73
70
65
62
58
55
57
59
62
65
70
75
73
72
70
70
70
70
75

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

282
282
283
283
283
284
284
284
283
283
282
283
284
284
285
285
285
286
286
287
288
289
290
289

Thursday 3

Waning Gibbous 61%

22:56

13:51

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
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 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:35, Set: 19:32, Transit: 13:03. Moon - Rise: 22:56, Set: 13:51. Civil Dark: 20:00 - 06:07. Nautical Dark: 20:32 - 05:34. Astro Dark: 21:07 - 05:00

Total Clouds (% Sky Obscured)

84
87
84
84
62
43
30
34
47
61
71
77
90
81
68
57
53
51
45
55
67
78

Low Clouds (% Sky Obscured)

9
9
7
1
14
27
30
27
14
8
21
34
47
37
30
23
16
9
2
4
7
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
7
14
22
29
36
44

High Clouds (% Sky Obscured)

71
76
78
84
56
27
2
8
20
33
40
43
51
45
46
47
47
37
14
14
15
15

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

Fog (%)

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

Precipitation Probability (%)

50
39
29
19
21
17
4
6
6
2
10
10
7
5
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

22
22
22
22
23
24
25
27
28
29
30
30
30
30
28
27
26
25
23
22
22
21

Feels Like (°C)

27
27
27
26
25
26
26
28
28
29
30
36
34
32
32
32
32
26
26
26
26
25

Dew Point (°C)

19
20
20
21
22
21
21
21
20
20
19
20
20
21
20
19
18
18
18
18
18
18

Relative Humidity (%)

83
91
91
92
94
84
76
69
62
57
52
54
56
59
60
59
61
65
71
75
80
84

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

289
289
287
285
283
285
288
290
291
292
292
292
291
291
290
290
289
289
289
289
289
288

Forecast for Ephrata, Lancaster, United States of America (40.18,-76.17)

Generated: 28/08/26 04:36:33. Forecast: 28/08/26 to 03/09/26. Timezone: UTC-4.00