Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

New Moon 2%

07:40

20:34

23 Good
00 Good
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 Good
19 OK
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:00, Set: 19:15, Transit: 13:08. Moon - Rise: 07:40, Set: 20:34. Civil Dark: 19:42 - 06:33. Nautical Dark: 20:14 - 06:01. Astro Dark: 20:46 - 05:29

Total Clouds (% Sky Obscured)

0
13
70
88
100
100
100
100
100
100
100
100
100
98
100
100
100
88
66
6
38
83
91
100

Low 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
1
0

Medium Clouds (% Sky Obscured)

0
7
9
17
9
40
73
100
100
100
100
100
100
78
100
99
88
75
63
6
38
83
91
100

High Clouds (% Sky Obscured)

0
7
67
86
100
100
100
100
100
100
42
23
93
89
51
85
98
48
44
0
0
0
0
38

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
7
7
8
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.04
0.06
0.08
0.06
0.06
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
7
7
6
6
5
5
5
5
7
9
11
13
15
16
17
16
16
15
14
13
12
12

Feels Like (°C)

7
6
5
5
4
4
3
3
3
4
5
7
11
13
15
16
17
16
16
15
14
13
12
12

Dew Point (°C)

-2
-2
-3
-3
-3
-3
-3
-2
-2
-1
0
1
1
-1
-2
-2
-1
2
5
7
8
9
9
9

Relative Humidity (%)

49
51
49
49
52
54
57
60
63
66
62
55
49
39
32
29
30
37
48
60
70
78
82
82

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1028
1027
1026
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

341
342
338
336
338
346
354
358
357
353
350
345
343
340
338
334
333
333
333
332
331
327
325
325

Wednesday 22

Waxing Crescent 6%

08:05

21:46

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

Sun - Rise: 06:58, Set: 19:16, Transit: 13:07. Moon - Rise: 08:05, Set: 21:46. Civil Dark: 19:43 - 06:31. Nautical Dark: 20:15 - 06:00. Astro Dark: 20:47 - 05:27

Total Clouds (% Sky Obscured)

81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
85

Low Clouds (% Sky Obscured)

0
10
30
94
88
34
1
2
13
20
93
100
95
20
100
31
22
16
72
26
4
2
10
2

Medium Clouds (% Sky Obscured)

7
14
34
97
100
100
98
99
52
85
100
56
70
100
81
58
6
9
41
8
6
34
81
14

High Clouds (% Sky Obscured)

80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
82

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

Precipitation Probability (%)

6
7
8
7
4
3
6
29
45
57
57
45
41
26
12
5
4
2
3
3
6
8
7
4

Precipitation Amount (mm)

0.05
0.06
0.07
0.06
0.03
0.01
0.03
0.17
0.42
0.54
0.64
0.42
0.46
0.29
0.11
0.05
0.03
0.01
0.02
0.03
0.1
0.19
0.16
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
10
8
8
8
8
8
10
11
12
14
15
17
18
19
20
21
20
19
18
18

Dew Point (°C)

8
8
8
7
7
7
7
7
7
8
9
10
11
12
12
13
14
14
15
15
15
15
15
15

Relative Humidity (%)

82
82
81
81
81
81
82
82
85
88
90
92
92
88
84
79
76
72
70
71
74
78
80
81

Pressure (mb)

1024
1023
1022
1022
1021
1020
1019
1019
1018
1018
1017
1016
1016
1015
1014
1013
1011
1011
1010
1010
1010
1010
1010
1010

Ozone (du)

325
324
325
325
323
321
320
317
315
311
309
307
305
304
302
298
295
293
291
289
288
287
287
288

Thursday 23

Waxing Crescent 12%

08:32

22:57

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

Sun - Rise: 06:57, Set: 19:17, Transit: 13:07. Moon - Rise: 08:32, Set: 22:57. Civil Dark: 19:44 - 06:30. Nautical Dark: 20:16 - 05:58. Astro Dark: 20:49 - 05:25

Total Clouds (% Sky Obscured)

85
81
81
100
100
93
99
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
41
20
0
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

52
3
10
1
3
1
11
6
0
6
54
84
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

66
69
74
100
100
93
99
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
1
1
1
2
3
6
11
20
39
51
61
62
56
53
48
45
50
48
44
30
12
4
4

Precipitation Amount (mm)

0.06
0.02
0.02
0.01
0.03
0.04
0.11
0.22
0.36
0.67
0.8
0.97
0.91
0.73
0.65
0.61
0.66
1.02
1.02
0.72
0.28
0.12
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
16
16
15
15
14
13
11
10
10
9
9
10
11
11
11
11
10
10
10
11
10

Feels Like (°C)

18
17
17
16
16
15
15
14
13
11
10
8
7
7
8
11
11
11
11
10
10
10
11
10

Dew Point (°C)

14
14
13
13
12
12
11
10
9
8
8
7
7
7
7
7
7
7
6
6
7
6
6
6

Relative Humidity (%)

80
79
78
78
78
78
78
79
79
81
84
86
86
84
80
77
74
75
75
76
78
77
76
77

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

287
287
286
286
286
285
286
286
286
286
287
285
285
285
285
284
283
283
282
282
282
283
283
283

Friday 24

Waxing Crescent 20%

09:02

22:57

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

Sun - Rise: 06:55, Set: 19:18, Transit: 13:07. Moon - Rise: 09:02, Set: 22:57. Civil Dark: 19:45 - 06:28. Nautical Dark: 20:17 - 05:56. Astro Dark: 20:50 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
28
28
28
28
28
28
2
2
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
10
10
10

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
4
4
2
4
8
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

7
8
11
10
19
24
31
34
28
20
25
23
24
25
32
49
43
51
61
63
51
45
30
7

Precipitation Amount (mm)

0.04
0.07
0.13
0.12
0.27
0.32
0.4
0.35
0.29
0.24
0.3
0.29
0.3
0.31
0.32
0.38
0.45
0.58
0.76
1.12
1.08
0.96
0.54
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
8
9
8
7
7
7
6
7
7
7
8
8
9
10
11
13
15
16
16
15
15

Feels Like (°C)

9
9
9
7
6
5
4
4
4
3
4
4
4
4
5
6
10
11
13
15
16
16
15
15

Dew Point (°C)

6
6
6
5
5
4
4
5
5
4
5
6
7
7
8
9
10
11
12
13
13
11
11
10

Relative Humidity (%)

78
78
78
78
77
80
83
85
86
87
90
93
97
99
100
100
100
100
96
90
84
76
73
72

Pressure (mb)

1016
1016
1016
1017
1016
1016
1015
1015
1015
1015
1013
1012
1011
1009
1007
1005
1003
1001
1000
1000
999
1001
1001
1002

Ozone (du)

282
282
281
279
279
278
277
277
277
277
277
277
278
279
280
284
285
287
291
297
306
314
319
327

Saturday 25

Waxing Crescent 29%

09:36

00:06

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
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 Good

Sun - Rise: 06:53, Set: 19:19, Transit: 13:06. Moon - Rise: 09:36, Set: 00:06. Civil Dark: 19:46 - 06:26. Nautical Dark: 20:18 - 05:54. Astro Dark: 20:51 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
2
2
5
5
5
5
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
10
10
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 (%)

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

Precipitation Amount (mm)

0.07
0.03
0.04
0.03
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
12
11
9
7
7
7

Chance of Frost

Temperature (°C)

13
12
11
11
11
11
10
10
9
8
8
9
9
10
11
12
13
14
15
14
13
12
11
10

Feels Like (°C)

13
12
11
11
11
11
10
7
6
4
5
6
7
10
11
12
13
14
15
14
13
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

74
75
76
76
75
74
73
73
74
75
73
70
67
63
58
51
47
44
44
47
52
57
62
66

Pressure (mb)

1003
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1012
1012
1012
1013
1014
1014
1014
1014
1015
1015
1016
1017
1018

Ozone (du)

333
333
334
325
320
319
318
318
320
318
318
319
320
320
320
321
323
325
327
329
330
332
335
338

Sunday 26

Waxing Crescent 39%

10:17

01:12

23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
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

Sun - Rise: 06:52, Set: 19:20, Transit: 13:06. Moon - Rise: 10:17, Set: 01:12. Civil Dark: 19:47 - 06:25. Nautical Dark: 20:19 - 05:53. Astro Dark: 20:52 - 05:20

Total Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
11
11
11
11
11
41
41
41
41
41
41
9
9
9

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
35
60
64
57
39
15
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.08
0.36
0.66
0.69
0.56
0.4
0.23
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
74
75
77
78
79
79
80
78
73
62
55
53
55
59
68
80
85
87
88
88
88
87

Pressure (mb)

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

Ozone (du)

340
341
341
340
339
337
334
332
330
328
324
321
318
317
317
316
315
314
313
313
314
315
315
315

Monday 27

Waxing Crescent 49%

11:04

02:13

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

Sun - Rise: 06:50, Set: 19:21, Transit: 13:06. Moon - Rise: 11:04, Set: 02:13. Civil Dark: 19:48 - 06:23. Nautical Dark: 20:20 - 05:51. Astro Dark: 20:53 - 05:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
4
4
4

Medium Clouds (% Sky Obscured)

100
100
100
26
26
26
26
26
26
92
92
92
92
92
92
78
78
78
78
78
78
100
100
100

High Clouds (% Sky Obscured)

9
9
9
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
66
66
66

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

Precipitation Probability (%)

3
2
2
2
1
0
0
5
16
28
24
13
6
3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.02
0.02
0.02
0.01
0
0
0.08
0.47
0.81
0.57
0.19
0.05
0.02
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
5
4
4
4
4
5
5
5
6
6
6
8
10
12
12
13
13
13
14
14
14
13

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
8
9
10
11
11
12
12
11
10
10
9
8
8
7

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
7
7
7
7
7
7
7
7
7
6
4
2
2
1
1
1
1
1
0
-0

Relative Humidity (%)

87
88
89
90
91
91
92
91
92
91
89
87
83
73
60
52
50
51
54
55
58
59
60
62

Pressure (mb)

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

Ozone (du)

316
316
317
319
320
322
323
324
324
325
327
331
334
337
338
340
342
344
346
348
350
352
354
354

Forecast for Swarthmore, Delaware County, US (39.90,-75.35)

Generated: 21/03/23 23:09:52. Forecast: 21/03/23 to 27/03/23. Timezone: UTC-4.00