Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Gibbous 100%

19:33

05:44

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 OK
03 Bad

Sun - Rise: 06:28, Set: 19:43, Transit: 13:05. Moon - Rise: 19:33, Set: 05:44. Civil Dark: 20:11 - 06:00. Nautical Dark: 20:45 - 05:26. Astro Dark: 21:20 - 04:51

Total Clouds (% Sky Obscured)

74
97
82
82
76
82
79
64
70
52
60
61
87
100
66
96
100
100
100
100
100
43
40
43

Low Clouds (% Sky Obscured)

62
46
71
65
60
65
42
14
11
23
14
43
71
96
43
11
93
54
14
30
71
16
14
12

Medium Clouds (% Sky Obscured)

49
29
41
42
14
20
10
14
4
1
18
11
20
18
19
0
45
20
15
36
33
0
0
0

High Clouds (% Sky Obscured)

4
62
68
67
56
57
77
64
70
3
35
7
55
50
55
96
100
100
100
98
61
43
40
43

ISS Passover

Visibility (miles)

9
3
7
7
9
9
9
9
9
9
9
9
9
2
7
9
9
9
5
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
62
95

Precipitation Type

Light Rain
Very Light Rain
Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
Light Rain
Light Rain
Ice pellet
Ice pellet
Light Rain
Light Rain
Light Rain
Ice pellet
Ice pellet
None
None
None

Precipitation Probability (%)

67
56
71
45
36
17
39
48
31
45
58
76
95
95
95
95
95
91
95
86
47
19
0
0

Precipitation Amount (mm)

0.6
0.3
0.7
0
0
0
0
0.3
0
0
0
0
0.7
1.1
1.5
1.2
0.5
0.5
0.8
0.6
0.2
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
5
7
8
7
7
9
10
10
10
6
6
4
4
4
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
98
98
95
91
84
72
65
58
58
57
56
71
80
83
87
92
91
95
95
95
95
93

Pressure (mb)

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

Ozone (du)

303
305
306
307
309
310
310
311
310
311
312
313
312
309
307
307
304
305
305
305
304
303
302
302

Friday 28

Full Moon 99%

19:55

06:50

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

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)

48
57
43
48
44
51
50
32
39
41
79
82
65
41
78
35
33
0
11
18
12
16
28
28

Low Clouds (% Sky Obscured)

14
16
12
12
10
8
9
6
6
20
28
59
65
41
78
35
33
0
2
4
4
5
9
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
17
3
1
5
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

48
57
43
48
44
51
50
0
10
2
36
35
35
36
78
35
12
0
2
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 (%)

72
99
96
100
99
23
21
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 (%)

1
1
2
1
0
1
7
11
19
20
13
9
14
8
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
92
92
86
81
75
68
61
57
54
51
49
61
67
65
62
65
71
72
76
80
80
85

Pressure (mb)

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

Ozone (du)

302
302
303
304
305
306
307
306
305
306
306
306
305
304
305
305
306
307
307
307
306
305
306
309

Saturday 29

Waning Gibbous 95%

20:17

07:55

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

34
61
85
77
33
45
55
23
38
31
21
36
28
60
75
70
76
73
53
51
51
46
43
45

Low Clouds (% Sky Obscured)

18
61
85
77
33
45
55
23
6
7
4
7
8
60
75
70
16
26
37
21
16
17
15
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
24
0
6
6
14
4
7
0
5
19
21
25
24
6
16
25

High Clouds (% Sky Obscured)

0
0
8
0
0
0
0
0
0
0
0
0
0
0
30
1
15
22
3
3
3
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
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)

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

Chance of Frost

Temperature (°C)

17
17
16
16
18
22
23
24
26
27
27
28
28
28
27
26
25
23
22
21
20
20
20
20

Feels Like (°C)

20
19
17
16
18
23
24
24
28
31
31
31
31
31
29
27
26
24
24
24
24
24
24
23

Dew Point (°C)

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

Relative Humidity (%)

88
86
83
78
76
69
65
60
56
53
51
51
52
52
61
64
66
75
78
80
81
84
86
89

Pressure (mb)

1020
1020
1020
1021
1021
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

311
312
313
315
314
313
311
309
307
307
307
308
308
307
308
310
310
312
314
312
312
312
309
308

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 OK
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)

61
54
66
49
54
87
88
82
96
100
89
72
64
62
92
61
45
56
88
89
90
91
91
93

Low Clouds (% Sky Obscured)

13
11
36
10
14
23
32
42
46
51
36
28
23
24
16
18
19
20
20
19
17
18
22
21

Medium Clouds (% Sky Obscured)

32
34
33
35
32
29
28
26
22
17
18
18
20
27
35
39
35
34
30
33
33
32
31
77

High Clouds (% Sky Obscured)

5
0
0
0
10
33
43
53
82
100
89
72
64
48
57
14
2
8
25
29
34
43
55
70

ISS Passover

Visibility (miles)

9
9
9
5
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 (%)

1
3
22
26
30
3
5
18
24
13
0
0
0
0
1
0
0
0
0
0
1
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
92
92
86
83
80
73
63
61
57
49
44
47
55
56
58
70
83
88
91
89
87
88

Pressure (mb)

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

Ozone (du)

305
304
303
301
301
300
300
300
299
299
298
298
297
295
296
296
295
296
296
295
295
295
295
293

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)

95
96
98
100
100
100
100
99
98
98
95
96
96
98
99
100
100
100
100
95
90
85
89
92

Low Clouds (% Sky Obscured)

20
31
7
6
4
3
3
8
14
21
13
10
7
6
6
3
15
27
39
38
38
36
32
28

Medium Clouds (% Sky Obscured)

73
77
81
86
83
89
80
33
37
85
87
75
94
81
94
95
95
97
97
91
85
79
76
73

High Clouds (% Sky Obscured)

86
90
95
100
100
100
100
94
92
88
47
69
71
81
90
100
94
90
88
85
85
76
81
92

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
11
23
24
25
59
75
84
71
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
86
84
79
75
62
54
48
49
50
47
60
62
63
50
58
64
72
80
87
94
95

Pressure (mb)

1018
1018
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

293
293
294
293
291
290
290
290
288
288
286
285
285
283
283
284
284
284
284
284
284
283
283
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 OK
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)

96
92
88
81
82
82
83
70
57
45
54
62
77
80
79
76
70
70
76
82
85
89
93
96

Low Clouds (% Sky Obscured)

21
21
24
30
34
29
25
24
25
25
35
42
50
59
65
70
70
70
72
74
71
69
70
68

Medium Clouds (% Sky Obscured)

70
58
48
36
39
35
32
23
13
2
6
8
11
10
8
8
11
13
18
22
28
32
36
41

High Clouds (% Sky Obscured)

80
70
61
43
36
37
53
41
29
26
28
31
34
28
18
7
6
6
5
24
41
59
74
85

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6

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

Precipitation Probability (%)

46
38
28
5
6
8
0
0
0
0
0
1
0
20
31
41
52
58
61
55
47
31
51
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
22
22
24
25
27
28
29
30
30
30
31
30
28
27
26
25
24
24
23
23
22

Feels Like (°C)

23
24
24
24
23
25
26
26
27
28
28
33
33
32
33
34
34
28
29
29
29
29
29
24

Dew Point (°C)

20
20
20
21
21
21
21
21
21
20
20
21
21
22
22
22
22
23
23
23
23
23
22
22

Relative Humidity (%)

95
95
94
92
91
83
76
69
65
61
55
57
58
59
65
69
76
81
87
92
94
97
98
98

Pressure (mb)

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

Ozone (du)

283
284
284
285
286
286
286
286
286
286
286
285
284
283
282
282
282
282
281
281
280
280
279
279

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 Bad
23 Bad
00 Bad
01 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)

99
100
100
100
99
98
96
97
98
100
91
78
60
53
38
30
45
63
70
61
56
45

Low Clouds (% Sky Obscured)

70
63
47
45
38
44
50
55
48
23
19
14
9
10
8
10
15
18
20
15
9
3

Medium Clouds (% Sky Obscured)

45
46
46
48
52
60
58
51
48
49
33
16
0
0
0
0
3
6
9
13
16
20

High Clouds (% Sky Obscured)

97
99
99
100
99
97
96
96
97
100
86
69
53
42
38
30
45
49
33
21
13
5

ISS Passover

Visibility (miles)

3
0
0
0
0
3
6
9
9
9
9
9
9
9
7
4
1
1
2
2
4
6

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

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

Precipitation Probability (%)

65
60
51
36
44
45
36
36
31
23
22
19
13
26
32
35
95
95
95
95
95
87

Precipitation Amount (mm)

0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
1
0.9
0.7
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
24
24
24
24
26
27
29
29
28
28
33
32
31
32
34
34
28
29
28
27
25

Dew Point (°C)

22
22
22
22
22
23
24
25
24
23
22
22
21
20
21
21
21
21
21
20
20
20

Relative Humidity (%)

98
100
98
98
97
95
91
90
82
74
67
64
61
56
63
70
78
83
89
94
94
93

Pressure (mb)

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

Ozone (du)

279
278
278
279
279
280
281
281
282
282
282
282
283
283
285
287
289
289
288
287
287
286

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

Generated: 27/08/26 04:10:56. Forecast: 27/08/26 to 02/09/26. Timezone: UTC-4.00